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Icon_funbox 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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Class 400/439 - Attached to type-bar or universal-bar


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein said resilient or yieldable means
No. of patents: 1
Last issue date: 07/31/1990


NumberTitleIssue Date
4944617Encoder employing a shock absorbing tension spring
An encoder having a special construction which includes a special tension spring which increases the life of the encoder. The tension spring has first and second "U"-shaped portions formed on one end thereof with the remaining end of the spring being secu...
07/31/1990
 
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