CHRISTENSEN, ROLAND J., AS OPERATING MANAGER OF RJC DEVELOPMENT, LC, GENERAL PARTNER OF THE ROLAND J. CHRISTENSEN FAMILY LIMITED PARTNERSHIP

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Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 11129
 
  
 
F41A FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE 431

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7419509 Prosthetic foot with a resilient ankleSep 08, 04Sep 02, 08[A61F]
7172630 Prosthetic foot with camFeb 20, 04Feb 06, 07[A61F]
6966933 Prosthetic foot with an adjustable ankle and methodOct 21, 03Nov 22, 05[A61F]
6929665 Prosthetic foot with a resilient ankleOct 08, 02Aug 16, 05[A61F]
6911052 Prosthetic foot with oblique attachmentOct 08, 02Jun 28, 05[A61F]
6805717 Energy-storing prosthetic foot with elongated forefootOct 08, 02Oct 19, 04[A61F]
6702858 Liner for prosthetic socket with variable viscosity fluidMay 15, 02Mar 09, 04[A61F]
6663673 Prosthetic foot with energy transfer medium including variable viscosity fluidMay 03, 02Dec 16, 03[A61F]
6197068 Prosthetic foot simulating toe rotationDec 16, 98Mar 06, 01[A61F]
6120547 Enhanced prosthetic foot structure with ankle reinforcementNov 06, 98Sep 19, 00[A61F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5435869 Method for manufacturing a composite crank armExpiredAug 27, 93Jul 25, 95[B65H]
5368358 Composite spring support for bicycle seatsExpiredMay 21, 93Nov 29, 94[B62J]
5360394 Rigid joint support brace sizing means and methodExpiredMay 21, 93Nov 01, 94[A61F]

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