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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address	Total Patents
UNITED TECHNOLOGIES CORPORATION	HARTFORD, CT	4781

International Classification(s)

• B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Breinan, Edward M	Glastonbury, CT	1	168
Brown, Clyde O	Newington, CT	7	237
Kear, Bernard H	Madison, CT	46	1188

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Patent Citation Ranking

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Patent Info	(Count)	# Cites	Year
ARCAM AB (1)
* 9505172 Method and apparatus for additive manufacturing		15	2013
Other [Check patent profile for assignment information] (11)
* 5578227 Rapid prototyping system		55	1993
* 6144008 Rapid manufacturing system for metal, metal matrix composite materials and ceramics		34	1996
* 5980812 Solid imaging process using component homogenization		9	1997
6441338 Rapid manufacturing of steel rule dies and other 3-dimensional products, apparatus, process and products		21	2000
* 6459069 Rapid manufacturing system for metal, metal matrix composite materials and ceramics		11	2000
6518541 Duty cycle stabilization in direct metal deposition (DMD) systems		5	2000
7139633 Method of fabricating composite tooling using closed-loop direct-metal deposition		15	2003
* 2005/0038,551 Method of fabricating composite tooling using closed-loop direct-metal deposition		5	2003
* 2006/0127,648 Layered packaging cushion		35	2003
8334475 Process for energy beam solid-state metallurgical bonding of wires having two or more flat surfaces		0	2009
* 9289845 Metal deposition of exterior members in oil field tubulars		0	2012
SEALED AIR CORPORATION (US) (3)
8763667 Layered packaging cushion		1	2003
7963020 Apparatus and method for manufacturing foam parts		0	2007
* 2009/0061,153 Apparatus and Method for Manufacturing Foam Parts		4	2007
SAMSUNG DISPLAY DEVICES CO., LTD. (1)
* 6270388 Method for fabricating partition of plasma display panel		2	1999
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (1)
* 6861613 Device and method for the preparation of building components from a combination of materials		7	2002
MTU AERO ENGINES GMBH (1)
* 2012/0217,226 METHOD AND DEVICE FOR PRODUCING A COMPONENT OF A TURBOMACHINE		3	2010
SIEMENS ENERGY, INC. (1)
9776282 Laser additive manufacture of three-dimensional components containing multiple materials formed as integrated systems		0	2014
EXMET AB (2)
8052923 Method of producing products of amorphous metal		5	2007
* 2009/0277,540 Method of producing products of amorphous metal		2	2007
BERNAL, LLC (1)
* 7827883 Cutting die and method of forming		7	1998
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (21)
* 4863538 Method and apparatus for producing parts by selective sintering		450	1986
* 4944817 Multiple material systems for selective beam sintering		216	1989
* 4938816 Selective laser sintering with assisted powder handling		198	1989
* 5017317 Gas phase selective beam deposition		56	1989
* 5132143 Method for producing parts		161	1990
* 5017753 Method and apparatus for producing parts by selective sintering		183	1990
* 5053090 Selective laser sintering with assisted powder handling		137	1990
* 5076869 Multiple material systems for selective beam sintering		195	1990
* 5156697 Selective laser sintering of parts by compound formation of precursor powders		132	1990
* 5147587 Method of producing parts and molds using composite ceramic powders		105	1991
* 5135695 Positioning, focusing and monitoring of gas phase selective beam deposition		47	1991
* 5182170 Method of producing parts by selective beam interaction of powder with gas phase reactant		157	1991
* 5316580 Method and apparatus for producing parts by selective sintering		125	1992
* 5296062 Multiple material systems for selective beam sintering		106	1992
* 5306447 Method and apparatus for direct use of low pressure vapor from liquid or solid precursors for selected area laser deposition		46	1992
* 5382308 Multiple material systems for selective beam sintering		100	1994
* 5597589 Apparatus for producing parts by selective sintering		108	1994
* 5611883 Joining ceramics and attaching fasteners to ceramics by gas phase selective beam deposition		27	1995
* 5639070 Method for producing parts by selective sintering		106	1995
* 5616294 Method for producing parts by infiltration of porous intermediate parts		108	1995
6676892 Direct selective laser sintering of metals		119	2001
HITACHI, LTD. (2)
* 8426766 Welding method and welding apparatus for an impeller		3	2008
* 2009/0095,719 WELDING METHOD AND WELDING APPARATUS FOR AN IMPELLER		1	2008
GM GLOBAL TECHNOLOGY OPERATIONS LLC (3)
8866044 System and method for manufacturing magnesium body panels with improved corrosion resistance		1	2011
* 2012/0280,535 SYSTEM AND METHOD FOR MANUFACTURING MAGNESIUM BODY PANELS WITH IMPROVED CORROSION RESISTANCE		0	2011
9095994 Method for applying variable magnetic properties to a induction heated tool face and manufacturing parts using the tool		0	2011
FEDERAL-MOGUL WORLD WIDE LLC (2)
7851984 Ignition device having a reflowed firing tip and method of construction		2	2006
* 2008/0036,353 Ignition device having a reflowed firing tip and method of construction		3	2006
NORSK TITANIUM AS (1)
6680456 Ion fusion formation		15	2001
SANDIA CORPORATION (2)
* 6046426 Method and system for producing complex-shape objects		125	1996
* 6027326 Freeforming objects with low-binder slurry		51	1997
FIAT AUTO S.P.A. (1)
* 4644127 Method of carrying out a treatment on metal pieces with the addition of an added material and with the use of a power laser		66	1985
DM3D TECHNOLOGY, LLC (9)
* 6122564 Apparatus and methods for monitoring and controlling multi-layer laser cladding		97	1998
6410105 Production of overhang, undercut, and cavity structures using direct metal depostion		17	2000
7286893 Tailoring residual stress and hardness during direct metal deposition		11	2000
6925346 Closed-loop, rapid manufacturing of three-dimensional components using direct metal deposition		6	2000
* 2003/0075,529 Focusing optics for adaptive deposition in rapid manufacturing		4	2002
8062715 Fabrication of alloy variant structures using direct metal deposition		1	2005
* 2005/0224,209 Fabrication of alloy variant structures using direct metal deposition		1	2005
8629368 High-speed, ultra precision manufacturing station that combines direct metal deposition and EDM		1	2007
* 2007/0205,184 HIGH-SPEED, ULTRA PRECISION MANUFACTURING STATION THAT COMBINES DIRECT METAL DEPOSITION AND EDM		7	2007
LOCKHEED MARTIN CORPORATION (3)
7093542 Warhead with integral, direct-manufactured features		5	2004
* 2005/0235,862 Warhead with integral, direct-manufactured features		3	2004
8513562 Method and system for hybrid direct manufacturing		2	2011
SNECMA (2)
* 7836572 Method of making a wiper for a sealing labyrinth, and a thermomechanical part and a turbomachine including such a wiper		2	2006
* 2007/0253,810 METHOD OF MAKING A WIPER FOR A SEALING LABYRINTH, AND A THERMOMECHANICAL PART AND A TURBOMACHINE INCLUDING SUCH A WIPER		2	2006
INSTITUTE FOR INFORMATION INDUSTRY (1)
* 2005/0212,694 Data distribution method and system		0	2004
ZWILLING J.A. HENCKELS AG (1)
* 6612204 Process for manufacturing a blade of a cutting tool and product manufactured therewith		19	2000
WARSAW ORTHOPEDIC, INC. (2)
7270679 Implants based on engineered metal matrix composite materials having enhanced imaging and wear resistance		161	2004
* 2004/0243,241 Implants based on engineered metal matrix composite materials having enhanced imaging and wear resistance		69	2004
TECHNISCHE UNIVERSITAET BRAUNSCHWEIG (1)
* 2010/0310,630 COATED SURFACE FOR CELL CULTURE		0	2003
GE AVIO S.R.L. (2)
7815847 Mass production of tridimensional articles made of intermetallic compounds		0	2007
* 2008/0014,457 MASS PRODUCTION OF TRIDIMENSIONAL ARTICLES MADE OF INTERMETALLIC COMPOUNDS		32	2007
NORTH STAR POWER ENGINEERING, INC. (1)
6537052 Method and apparatus for high speed electron beam rapid prototyping		9	1999
H.C. STARCK INC. (2)
* 7651658 Refractory metal and alloy refining by laser forming and melting		20	2003
* 2005/0142,021 Refractory metal and alloy refining by laser forming and melting		27	2004
EOS GMBH ELECTRO OPTICAL SYSTEMS (2)
* 5647931 Method and apparatus for producing a three-dimensional object		135	1995
* 8172562 Device and method for producing a three-dimensional object by means of a generative production method		17	2003
SIEMENS AKTIENGESELLSCHAFT (3)
* 2006/0225,641 Method for the production of monocrystalline structures and component		1	2003
* 8961860 Laser build up method using vibration and apparatus		0	2012
* 2012/0223,462 Laser build up method using vibration and apparatus		1	2012
SAMSUNG DISPLAY CO., LTD. (2)
7276298 Substance for intermediate layer of organic electroluminescent device and organic electroluminescent device using the same		0	2004
* 2005/0136,288 Substance for intermediate layer of organic electroluminescent device and organic electroluminescent device using the same		7	2004
AEROJET ROCKETDYNE, INC. (2)
8242375 Conductive emissions protection		0	2008
* 2010/0065,308 CONDUCTIVE EMISSIONS PROTECTION		0	2008
3D SYSTEMS, INC. (2)
7261542 Apparatus for three dimensional printing using image layers		72	2005
* 2005/0208,168 Apparatus for three dimensional printing using image layers		61	2005
ROLLS-ROYCE PLC (2)
7029232 Abradable seals		26	2004
* 2004/0265,120 Abradable seals		5	2004
OPTOMEC DESIGN COMPANY (31)
* 5993554 Multiple beams and nozzles to increase deposition rate		34	1998
6268584 Multiple beams and nozzles to increase deposition rate		129	1998
6251488 Precision spray processes for direct write electronic components		170	1999
6391251 Forming structures from CAD solid models		303	2000
6656409 Manufacturable geometries for thermal management of complex three-dimensional shapes		45	2000
* 2003/0020,768 Direct write TM system		31	2002
7108894 Direct Write.TM. System		32	2002
* 2003/0048,314 Direct write TM system		7	2002
6811744 Forming structures from CAD solid models		86	2002
7045015 Apparatuses and method for maskless mesoscale material deposition		130	2003
* 2003/0228,124 Apparatuses and method for maskless mesoscale material deposition		8	2003
* 2004/0179,808 Particle guidance system		35	2003
* 2005/0163,917 Direct writeTM system		31	2004
7270844 Direct write.TM. system		31	2004
* 2005/0046,664 Direct writeTM system		0	2004
7294366 Laser processing for heat-sensitive mesoscale deposition		49	2004
* 2005/0156,991 Maskless direct write of copper using an annular aerosol jet		29	2004
* 2005/0129,383 Laser processing for heat-sensitive mesoscale deposition		5	2004
* 2005/0133,527 Powder feeder for material deposition systems		44	2004
7938079 Annular aerosol jet deposition using an extended nozzle		14	2004
* 2006/0008,590 Annular aerosol jet deposition using an extended nozzle		25	2004
* 2006/0003,095 Greater angle and overhanging materials deposition		29	2005
7938341 Miniature aerosol jet and aerosol jet array		16	2005
7674671 Aerodynamic jetting of aerosolized fluids for fabrication of passive structures		74	2005
* 2006/0175,431 Miniature aerosol jet and aerosol jet array		18	2005
* 2006/0163,570 Aerodynamic jetting of aerosolized fluids for fabrication of passive structures		19	2005
7485345 Apparatuses and methods for maskless mesoscale material deposition		92	2005
8110247 Laser processing for heat-sensitive mesoscale deposition of oxygen-sensitive materials		13	2006
* 2007/0019,028 Laser processing for heat-sensitive mesoscale deposition of oxygen-sensitive materials		15	2006
7658163 Direct write# system		65	2006
* 2007/0154,634 Method and Apparatus for Low-Temperature Plasma Sintering		29	2006
CHROMALLOY GAS TURBINE CORPORATION (1)
6872912 Welding single crystal articles		13	2004
ELECTRIC POWER RESEARCH INSTITUTE, INC. (4)
* 5514849 Rotating apparatus for repairing damaged tubes		20	1994
* 5653897 Rotating fiber optic coupler for high power laser welding applications		9	1995
* 5656185 Method and apparatus for repairing damaged tubes by interior laser clad welding		9	1995
* 5573683 Method of forming a clad weld on the interior surface of a tube with a synchronously rotating welding apparatus		6	1995
ROLLS-ROYCE CORPORATION (1)
* 5312584 Moldless/coreless single crystal castings of nickel-aluminide		17	1992
Ministry of International Trade & Industry (1)
* 5208431 Method for producing object by laser spraying and apparatus for conducting the method		98	1991
UNITED TECHNOLOGIES CORPORATION (5)
* 4451299 High temperature coatings by surface melting		18	1982
* 5914059 Method of repairing metallic articles by energy beam deposition with reduced power density		26	1996
* 5900170 Containerless method of producing crack free metallic articles by energy beam deposition with reduced power density		25	1996
* 6103402 Crack free metallic articles		22	1997
* 8089028 Methods for repairing gas turbine engine knife edge seals		1	2007
Westinghouse Electric Corp. (2)
* 4927992 Energy beam casting of metal articles		71	1987
* 4803334 Method for laser beam welding metal matrix composite components		36	1987
NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC (2)
* 6143378 Energetic additive manufacturing process with feed wire		37	1998
* 6401795 Method for freeforming objects with low-binder slurry		41	2000
Sieber Forming Solutions GmbH (1)
* 2010/0266,438 METHOD AND DEVICE FOR PRODUCING ANNULAR, ROTATIONALLY SYMMETRICAL WORKPIECES MADE OF METAL AND/OR CERAMIC POWDER		0	2008
Precision Optical Manufacturing (POM) (1)
6937921 Production of smart dies and molds using direct metal deposition		11	2000
Sciaky, Inc. (7)
8546717 Electron beam layer manufacturing		7	2010
* 2011/0061,591 ELECTRON BEAM LAYER MANUFACTURING		17	2010
8598523 Electron beam layer manufacturing using scanning electron monitored closed loop control		5	2010
* 2011/0114,839 ELECTRON BEAM LAYER MANUFACTURING USING SCANNING ELECTRON MONITORED CLOSED LOOP CONTROL		14	2010
9174300 Raster methodology, apparatus and system for electron beam layer manufacturing using closed loop control		0	2013
9399264 Electron beam layer manufacturing		0	2013
8809780 Electron beam layer manufacturing using scanning electron monitored closed loop control		0	2013
BEGO MEDICAL GMBH (3)
* 2007/0082,321 Method for manufacturing implant abutments for dental implants, and an implant abutment for a dental implant		1	2006
8778443 Method for manufacturing implant abutments for dental implants, and an implant abutment for a dental implant		1	2009
* 2010/0021,865 METHOD FOR MANUFACTURING IMPLANT ABUTMENTS FOR DENTAL IMPLANTS, AND AN IMPLANT ABUTMENT FOR A DENTAL IMPLANT		1	2009
IMDS, Inc. (1)
7666522 Laser based metal deposition (LBMD) of implant structures		7	2006
Optomec, Inc. (17)
7879394 Deep deposition head		15	2007
* 2008/0013,299 Direct Patterning for EMI Shielding and Interconnects Using Miniature Aerosol Jet and Aerosol Jet Array		21	2007
9192054 Apparatus for anisotropic focusing		3	2008
8272579 Mechanically integrated and closely coupled print head and mist source		24	2008
* 2009/0090,298 Apparatus for Anisotropic Focusing		19	2008
* 2009/0061,077 Aerosol Jet (R) printing system for photovoltaic applications		21	2008
* 2009/0061,089 Mechanically Integrated and Closely Coupled Print Head and Mist Source		54	2008
8887658 Multiple sheath multiple capillary aerosol jet		13	2008
* 2009/0252,874 Multiple Sheath Multiple Capillary Aerosol Jet		2	2008
7987813 Apparatuses and methods for maskless mesoscale material deposition		14	2009
8640975 Miniature aerosol jet and aerosol jet array		14	2010
* 2010/0173,088 Miniature Aerosol Jet and Aerosol Jet Array		7	2010
8796146 Aerodynamic jetting of blended aerosolized materials		13	2010
8132744 Miniature aerosol jet and aerosol jet array		24	2010
8455051 Apparatuses and methods for maskless mesoscale material deposition		13	2010
9114409 Mechanically integrated and closely coupled print head and mist source		0	2012
9607889 Forming structures using aerosol jet® deposition		1	2014
TITANIUM FUSION TECHNOLOGIES, LLC (2)
7632575 Laser based metal deposition (LBMD) of implant structures		14	2005
* 2006/0073,356 Laser based metal deposition (LBMD) of implant structures		5	2005
Richard Wolf GmbH (1)
* 2009/0023,988 Endoscopic Instrument		11	2008
Quantum Laser Corporation (2)
* 4724299 Laser spray nozzle and method		115	1987
* 4804815 Process for welding nickel-based superalloys		54	1987
IMAGECUBE, LLC (1)
RE37875 Solid imaging process using component homogenization		4	2000
FEDERAL-MOGUL WORLD WIDE, INC. (1)
* 2011/0057,554 Ignition Device Having a Reflowed Firing Tip and Method of Construction		0	2010
MICROELECTRONICS AND COMPUTER TECHNOLOGY CORPORATION (2)
* 5314003 Three-dimensional metal fabrication using a laser		34	1991
* 5393613 Composition for three-dimensional metal fabrication using a laser		43	1993
GENERAL ELECTRIC COMPANY (18)
* 4743733 Method and apparatus for repairing metal in an article		57	1984
* 4730093 Method and apparatus for repairing metal in an article		38	1987
* 5245155 Single point powder feed nozzle for use in laser welding		31	1992
* 5889254 Method and apparatus for Nd: YAG hardsurfacing		15	1997
* 2007/0003,416 Niobium silicide-based turbine components, and related methods for laser deposition		13	2005
8413709 Composite core die, methods of manufacture thereof and articles manufactured therefrom		2	2006
7938168 Ceramic cores, methods of manufacture thereof and articles manufactured from the same		7	2006
7624787 Disposable insert, and use thereof in a method for manufacturing an airfoil		9	2006
* 2008/0190,582 CERAMIC CORES, METHODS OF MANUFACTURE THEREOF AND ARTICLES MANUFACTURED FROM THE SAME		6	2006
* 2008/0135,718 DISPOSABLE INSERT, AND USE THEREOF IN A METHOD FOR MANUFACTURING AN AIRFOIL		9	2006
* 2008/0135,202 COMPOSITE CORE DIE, METHODS OF MANUFACTURE THEREOF AND ARTICLES MANUFACTURED THEREFROM		9	2006
* 2008/0135,721 CASTING COMPOSITIONS FOR MANUFACTURING METAL CASTING AND METHODS OF MANUFACTURING THEREOF		9	2006
* 2010/0034,647 Processes for the formation of positive features on shroud components, and related articles		10	2006
8884182 Method of modifying the end wall contour in a turbine using laser consolidation and the turbines derived therefrom		0	2006
7487819 Disposable thin wall core die, methods of manufacture thereof and articles manufactured therefrom		10	2006
* 2008/0135,722 DISPOSABLE THIN WALL CORE DIE, METHODS OF MANUFACTURE THEREOF AND ARTICLES MANUFACTURED THEREFROM		7	2006
9566642 Composite core die, methods of manufacture thereof and articles manufactured therefrom		0	2013
9863254 Turbine airfoil with local wall thickness control		0	2013
THE REGENTS OF THE UNIVERSITY OF MICHIGAN (2)
* 9481933 Coaxial laser assisted cold spray nozzle		0	2010
* 2011/0300,306 COAXIAL LASER ASSISTED COLD SPRAY NOZZLE		2	2010
VOITH PATENT GMBH (2)
* 9863091 Roll		0	2014
* 2016/0130,756 ROLL		0	2014
MEDICINELODGE, INC. (3)
7001672 Laser based metal deposition of implant structures		25	2004
7951412 Laser based metal deposition (LBMD) of antimicrobials to implant surfaces		2	2007
* 2007/0287,027 LASER BASED METAL DEPOSITION (LBMD) OF ANTIMICROBIALS TO IMPLANT SURFACES		25	2007
ANSALDO ENERGIA SWITZERLAND AG (2)
8821116 Abradable coating system		0	2010
* 2011/0103,940 ABRADABLE COATING SYSTEM		5	2010
ALSTOM TECHNOLOGY LTD (1)
* 2011/0099,810 METHOD FOR REPAIRING A GAS TURBINE COMPONENT		14	2010
BERNAL, INC. (1)
RE37366 Method of making rotary cutting dies		12	1998
SANKATY ADVISORS LLC (1)
* 2007/0202,351 Laser based metal deposition (LBMD) of implant structures		10	2006
CUBIC TECHNOLOGIES, INC. (4)
* 5354414 Apparatus and method for forming an integral object from laminations		134	1991
* 5637175 Apparatus for forming an integral object from laminations		126	1994
* 5730817 Laminated object manufacturing system		68	1996
* 5876550 Laminated object manufacturing apparatus and method		171	1997
Alvord-Polk, Inc. (2)
* 6146476 Laser-clad composite cutting tool and method		27	1999
6402438 Composite Cutting Tool		22	2000
KAWASAKI STEEL CORPORATION (1)
4623777 Apparatus for butt welding steel strips by using a laser beam in a steel strip-processing line		16	1984
FOSTER-MILLER TECHNOLOGIES, INC. (1)
* 5149936 Multi-plane balancing process and apparatus using powder metal for controlled material addition		12	1991
AEROJET ROCKETDYNE OF DE, INC. (1)
8981232 Conductive emissions protection		0	2012
POM GROUP, THE (1)
6859681 Multi-material toolpath generation for direct metal deposition		15	2000
CASE WESTERN RESERVE UNIVERSITY (2)
* 5883357 Selective vacuum gripper		8	1996
* 5779833 Method for constructing three dimensional bodies from laminations		80	1996
ANSALDO ENERGIA IP UK LIMITED (7)
6998568 Method for fabricating, modifying or repairing of single crystal or directionally solidified articles		7	2003
7586061 Method of controlled remelting of or laser metal forming on the surface of an article		8	2004
7705264 Method for controlling the microstructure of a laser metal formed hard layer		5	2005
* 2006/0081,571 Method for controlling the microstructure of a laser metal formed hard layer		16	2005
* 9901983 Method of applying multiple materials with selective laser melting on a 3D article		0	2010
8978249 Methods for repairing a gas turbine component		3	2010
* 2011/0106,290 METHOD OF APPLYING MULTIPLE MATERIALS WITH SELECTIVE LASER MELTING ON A 3D ARTICLE		15	2010
STANLEY BLACK & DECKER, INC. (4)
8505414 Method of manufacturing a blade		2	2009
* 2009/0314,136 METHOD OF MANUFACTURING A BLADE		3	2009
8769833 Utility knife blade		2	2010
9393984 Utility knife blade		0	2014
Creusot-Loire (1)
* 4484959 Process for the production of a composite metal part and products thus obtained		37	1982
ETABLISSEMENTS CHPOLANSKY (1)
* 9889525 Method of hardfacing a part		0	2013
The P.O.M. Group (5)
6472029 Fabrication of laminate structures using direct metal deposition		28	2000
* 2002/0082,741 Fabrication of biomedical implants using direct metal deposition		128	2001
* 2002/0165,634 Fabrication of laminate tooling using closed-loop direct metal deposition		9	2002
6710280 Focusing optics for adaptive deposition in rapid manufacturing		7	2002
* 2008/0260,964 VISION SYSTEM AND METHOD FOR DIRECT-METAL-DEPOSITION (DMD) TOOL-PATH GENERATION		2	2008
LOS ALAMOS NATIONAL SECURITY, LLC (3)
* 5961862 Deposition head for laser		20	1995
* 5837960 Laser production of articles from powders		203	1995
6429402 Controlled laser production of elongated articles from particulates		19	2000

* Cited By Examiner

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Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 4323756

Method for fabricating articles by sequential layer deposition

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