Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 4640011 | Nail clipper The invention contemplates a single-piece clippings retainer having snap-action assembly to a conventional nail clipper, of the variety in which elongate jaw members are connected at one end and diverge toward their other end. The single-piece retainer co... | 02/03/1987 |
| 4164132 | Key retainer The invention contemplates a key retainer with a key-retaining bail extending beyond one end of a case, for selective retention of one or more keys. The combination involves the bail formed as an integral hook-like part of pivoted body structure within th... | 08/14/1979 |
| 4037443 | Key retaining device The invention contemplates a key retainer with a key-retaining bail extending beyond one end of a case, for selective retention of one or more keys. The combination involves the bail formed as a hook-like part of slide structure within the case. Slide act... | 07/26/1977 |
