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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4299520 |
Drive nut |
Nov. 10, 1981 |
| 4299519 |
Two piece fastener and installation tool |
Nov. 10, 1981 |
| 4299518 |
Manufacturing work station |
Nov. 10, 1981 |
| 4299517 |
Mine roof supporting structure |
Nov. 10, 1981 |
| 4299516 |
Method for improving the strength of a water-saturated soft soil |
Nov. 10, 1981 |
| 4299515 |
Rock reinforcement system |
Nov. 10, 1981 |
| 4299514 |
Collapsible rubber dam |
Nov. 10, 1981 |
| 4299513 |
Edge-shaping tool for forming surface of wet concrete in regions abutting a joint |
Nov. 10, 1981 |
| 4299512 |
Means for yieldably coupling a shaft to counter wheels or the like |
Nov. 10, 1981 |
| 4299511 |
Connector and imperforate reinforcement plates in combination |
Nov. 10, 1981 |
| 4299510 |
Drill steel and method of fabrication |
Nov. 10, 1981 |
| 4299509 |
Beam connector |
Nov. 10, 1981 |
| 4299508 |
Connectors for the construction of hollow tube mounting frameworks |
Nov. 10, 1981 |
| 4299507 |
Two-piece controlled motion hinge coupler joint |
Nov. 10, 1981 |
| 4299506 |
Mechanical pencil |
Nov. 10, 1981 |
| 4299505 |
Shift mechanism |
Nov. 10, 1981 |
| 4299504 |
High capacity ribbon cartridge with surface drive |
Nov. 10, 1981 |
| 4299503 |
Character selection mechanism for a typewriter |
Nov. 10, 1981 |
| 4299502 |
Assembly for a detachable connection for a printing element in an electric office machine |
Nov. 10, 1981 |
| 4299501 |
Continuous process for the preparation of semisolid dispersions |
Nov. 10, 1981 |
| 4299500 |
Apparatus for storing and stirring viscous liquids contained in cans |
Nov. 10, 1981 |
| 4299499 |
Throttle device for a twin-shafted screw machine |
Nov. 10, 1981 |
| 4299498 |
Flashing reactor |
Nov. 10, 1981 |
| 4299497 |
Instrument for determining the distinctness of image of a paint film |
Nov. 10, 1981 |
| 4299496 |
Load proximity detection techniques |
Nov. 10, 1981 |
| 4299495 |
Density meter |
Nov. 10, 1981 |
| 4299494 |
Measurement of heat transfer between a specimen and an ambient medium |
Nov. 10, 1981 |
| 4299493 |
Auto-optical centering device for photometers |
Nov. 10, 1981 |
| 4299492 |
Laser measuring system for incremental assemblies |
Nov. 10, 1981 |
| 4299491 |
Noncontact optical gauging system |
Nov. 10, 1981 |
| 4299490 |
Phase nulling optical gyro |
Nov. 10, 1981 |
| 4299489 |
Device for determining the histogram of sizes of particles |
Nov. 10, 1981 |
| 4299488 |
Time-division multiplexed spectrometer |
Nov. 10, 1981 |
| 4299487 |
Method of and device for analyzing one ingredient in a mixed solution with two light beams of di... |
Nov. 10, 1981 |
| 4299486 |
Spectrofluorometer |
Nov. 10, 1981 |
| 4299485 |
Spectrophotometer |
Nov. 10, 1981 |
| 4299484 |
Range and speed measuring equipment with noise frequency modulated transmitter |
Nov. 10, 1981 |
| 4299483 |
Path alignment apparatus |
Nov. 10, 1981 |
| 4299482 |
Measurement of windscreen distortion using optical diffraction |
Nov. 10, 1981 |
| 4299481 |
Adjustable current lamphouse |
Nov. 10, 1981 |
| 4299480 |
Mirror scanner synchronized with moving folded document plane |
Nov. 10, 1981 |
| 4299479 |
Photographic printer with sensitivity control for classification of negatives |
Nov. 10, 1981 |
| 4299478 |
Bound document apparatus for a copier |
Nov. 10, 1981 |
| 4299477 |
Job recovery enhancement in computer fanfold reproduction |
Nov. 10, 1981 |
| 4299476 |
Image forming process and apparatus therefor |
Nov. 10, 1981 |
| 4299475 |
Scanning method and apparatus applicable to variable magnification copying machines |
Nov. 10, 1981 |
| 4299474 |
Component mounting apparatus useful for compact copiers |
Nov. 10, 1981 |
| 4299473 |
Electrophotographic copying machine using a thick sheet of small size as a transfer sheet |
Nov. 10, 1981 |
| 4299472 |
Developer apparatus |
Nov. 10, 1981 |
| 4299471 |
Self-developing camera back with removable processing assembly |
Nov. 10, 1981 |
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