Sparta, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7890763 Method of identifying invalid digital signatures involving batch verificationSep 14, 07Feb 15, 11[H04L, G06Q]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0225,322 SELECTION OF INTERROGATION WAVELENGTHS IN OPTICAL BIO-DETECTION SYSTEMSAbandonedMay 07, 08Sep 10, 09[G01J]
2008/0281,581 METHOD OF IDENTIFYING DOCUMENTS WITH SIMILAR PROPERTIES UTILIZING PRINCIPAL COMPONENT ANALYSISAbandonedMay 07, 08Nov 13, 08[G06F]
2006/0186,588 Non-linear fiber/matrix architectureAbandonedApr 25, 06Aug 24, 06[F16F]
2005/0116,400 Non-linear fiber/matrix architectureAbandonedOct 29, 04Jun 02, 05[F16F]
6273914 Spinal implantExpiredDec 02, 97Aug 14, 01[A61F, A61B]
6040843 System for transmission and recovery of digital data using video graphics display processor and method of operation thereofExpiredOct 29, 98Mar 21, 00[G09G]
5991033 Interferometer with air turbulence compensationExpiredSep 18, 97Nov 23, 99[G01B]
5835102 System for transmission and recovery of digital data using video graphics display processor and method of operation thereofExpiredOct 19, 95Nov 10, 98[G09G]
5543914 Apparatus and methods employing harmonic analysis for measuring the difference in phase between two coherent beamsExpiredJan 13, 95Aug 06, 96[G01B]
5537881 Fluid sampling deviceExpiredJun 16, 95Jul 23, 96[G01N]
5537209 An interferometric measuring system having temperature compensation and improved optical configurationsExpiredJan 13, 95Jul 16, 96[G01B]
5404222 Interferametric measuring system with air turbulence compensationExpiredJan 14, 94Apr 04, 95[G01B]
5375528 Container for a large spherical explosive chargeExpiredFeb 18, 93Dec 27, 94[F42B]
5355456 Pebble-bed evaporation and superheater assembly for vaporizing and heating a liquified cryogenic gasExpiredJul 22, 92Oct 11, 94[F24H, F22B]
5319629 Content addressable optical data storage systemExpiredJul 17, 92Jun 07, 94[G11C]
5299866 Pebble-bed heater and shock tube assemblyExpiredJul 22, 92Apr 05, 94[B01F]
5197323 Pebble-bed heater and shock tube assemblyExpiredJul 13, 90Mar 30, 93[G01N]
5081361 Passive atomic resonance filterExpiredSep 19, 90Jan 14, 92[G02B]
4998236 Apparatus for high density holographic optical data storageExpiredAug 25, 88Mar 05, 91[G11B]
4897843 Frequency-agile laser systemsExpiredApr 21, 89Jan 30, 90[H01S]

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