Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 4493252 | Postage printing apparatus having a movable print head in a print drum A postage meter system having a rotary printing drum for printing fixed data is disclosed. Disposed entirely within the drum is an internal print head for printing variable data. The rotary drum contains an opening therein through which the internally loc... | 01/15/1985 |
| 4037535 | High speed printing apparatus The disclosure relates to item or document signing apparatus for imprinting a legally acceptable signature and/or date, etc., upon individual items or documents fed on demand thereto at high speed from an input to an output hopper in a stop-start operatio... | 07/26/1977 |
