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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4257671 |
Fixed optical attenuator for light rays guided by optical fibres |
Mar. 24, 1981 |
| 4257670 |
Optical peephole device insertable in thick walls for panoramic viewing therethrough |
Mar. 24, 1981 |
| 4257669 |
Optical-electronic system for the identification of a retro-reflective label |
Mar. 24, 1981 |
| 4257668 |
Edge clip terminal for mounting thick film hybrid circuits in printed circuit boards |
Mar. 24, 1981 |
| 4257667 |
Non-insulated printed circuit jack with retaining feature |
Mar. 24, 1981 |
| 4257666 |
Plug |
Mar. 24, 1981 |
| 4257665 |
Polarized electrical connector |
Mar. 24, 1981 |
| 4257664 |
Screw socket for an electric lamp |
Mar. 24, 1981 |
| 4257663 |
Ball loaded anti-decoupling device for electrical connectors |
Mar. 24, 1981 |
| 4257662 |
Fuseholder with separate reject spring having integral spreading and collapsing control means |
Mar. 24, 1981 |
| 4257661 |
Retainer for elastomeric electrical connector |
Mar. 24, 1981 |
| 4257660 |
Electric connector having a plurality of in-line contacts |
Mar. 24, 1981 |
| 4257659 |
Electrical connector with safety cover means |
Mar. 24, 1981 |
| 4257658 |
Cable shield connector assembly |
Mar. 24, 1981 |
| 4257657 |
Readily releasable mechanism for locking a merchandising machine door in open position |
Mar. 24, 1981 |
| 4257656 |
Fire protection cabinet |
Mar. 24, 1981 |
| 4257655 |
Rolling bearing having separate restraining ring for holding rolling elements |
Mar. 24, 1981 |
| 4257654 |
Filament wound bearing |
Mar. 24, 1981 |
| 4257653 |
Track assembly for track-type vehicles with dual link assemblies |
Mar. 24, 1981 |
| 4257652 |
Device for transporting materials across fragile structures |
Mar. 24, 1981 |
| 4257651 |
Pneumatic wheel and method of making same |
Mar. 24, 1981 |
| 4257650 |
Method for recovering subsurface earth substances |
Mar. 24, 1981 |
| 4257649 |
Coal combine |
Mar. 24, 1981 |
| 4257648 |
Non-resonant cyclic drive system employing rectification of the cyclic output |
Mar. 24, 1981 |
| 4257647 |
Dual latch of driver's chair |
Mar. 24, 1981 |
| 4257646 |
Sliding cover for motor vehicles |
Mar. 24, 1981 |
| 4257645 |
Flexible sheet seal |
Mar. 24, 1981 |
| 4257644 |
Wheelchair tie-down |
Mar. 24, 1981 |
| 4257643 |
Upper streamlining apparatus for the cab of a heavy transport vehicle |
Mar. 24, 1981 |
| 4257642 |
Gasoline fill cover holding arm |
Mar. 24, 1981 |
| 4257641 |
Vehicle drag reducer |
Mar. 24, 1981 |
| 4257640 |
Drag reducer for land vehicles |
Mar. 24, 1981 |
| 4257639 |
Ejector device for stores |
Mar. 24, 1981 |
| 4257638 |
Hook load pin retention system |
Mar. 24, 1981 |
| 4257637 |
Contactless air film lifting device |
Mar. 24, 1981 |
| 4257636 |
Bag and bag and scoop device combination |
Mar. 24, 1981 |
| 4257635 |
Scoop device |
Mar. 24, 1981 |
| 4257634 |
Vehicle door lock control |
Mar. 24, 1981 |
| 4257633 |
Security device |
Mar. 24, 1981 |
| 4257632 |
Detachable latching device for closure panels |
Mar. 24, 1981 |
| 4257631 |
Magnetic emergency exit door lock with delayed opening |
Mar. 24, 1981 |
| 4257630 |
Method and apparatus for splicing hose |
Mar. 24, 1981 |
| 4257629 |
Flexible conduit repair coupling |
Mar. 24, 1981 |
| 4257628 |
Pipe connector and hole cutter |
Mar. 24, 1981 |
| 4257627 |
Continuous business form |
Mar. 24, 1981 |
| 4257626 |
Device for tightening a safety belt for a motor vehicle |
Mar. 24, 1981 |
| 4257625 |
Input coupling to a motion amplifier for use in door-actuated seat belt systems |
Mar. 24, 1981 |
| 4257624 |
Extendible steering column |
Mar. 24, 1981 |
| 4257623 |
Supporting structure for a suspension member for a vehicle |
Mar. 24, 1981 |
| 4257622 |
Ski stop assembly |
Mar. 24, 1981 |
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