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 |
| 6792547 | Digital integrated apparatus, image input-output system, and user authentication method The invention relates to a digital integrated apparatus capable of registering and fetching image data, and has an object to solve various problems resulting from the necessity of the user authentication at the time of using the apparatus. Specifically, it is arrang... | 09/14/2004 |
| 6631453 | Secure data storage device A data storage/transmission hardware device (or multiple devices physically linked together) with two (or more) access channels is disclosed. One of the access channels allows for reading and writing of information (referred to as the "active channel") wh... | 10/07/2003 |
| 4311244 | Automatic coupler to connect convertible rail-highway vehicles end to end A coupler to connect rail-highway vehicles end to end including a female member at the end of one vehicle into which extends a sensing member, a male member at the end of an adjacent vehicle adapted to enter the female member, the male member including a ... | 01/19/1982 |
| 4202454 | Coupler to connect convertible rail-highway vehicles end to end A coupler to connect convertible rail-highway vehicles end to end to achieve train configuration to carry vertical loads of about 25,000 pounds and at the same time provide limited rolling, pitching and yaw actions between the coupled vehicles. The couple... | 05/13/1980 |
