Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 5044105 | Locking device A locking device suitable for use in a gun to prevent unauthorized use of the gun includes a key operated lock (3) operable to expand a ring (8) into locking engagement with the gun chamber. In order to prevent removal of the device by applying force to t... | 09/03/1991 |
| 4890964 | Self-locking fastener apparatus A threaded fastener apparatus that self-locks onto a threaded bolt only during the very last stage of threading and that provides a predetermined self-locking force that remains substantially constant despite multiple repeated uses. The fastener apparatus... | 01/02/1990 |
