...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 |
| 6622037 | Transdermal administrating device A transdermal administrating device is provided which includes an active electrode having a conductive electrode layer and a conductive drug layer applied on the bottom surface of the conductive electrode layer. The bottom surface of the conductive drug l... | 09/16/2003 |
| 5944685 | Skin-contact type medical treatment apparatus A first conductive sheet film is disposed on a partial area of the skin-contact surface of an adhesive member. A conductive matrix is disposed on the first conductive film, the conductive matrix being dispersed with a drug to be permeated through skin. A ... | 08/31/1999 |
| 5772688 | Skin-contact type medical treatment apparatus A skin-contact type medical treatment apparatus is provided which includes: a first conductive member having a first skin-contact surface in contact with a first surface of skin when in use, the first skin-contact surface being made of metal or its alloy;... | 06/30/1998 |