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 |
| 5808337 | Totalizer assembly A totalizer assembly is enclosed in a housing having a base and a cover which cooperate to support and position a register assembly in the housing. The base and cover also cooperate to support and position a gear train in the housing. The gear train drive... | 09/15/1998 |
| 5038367 | Opinion sampling device A polling device (10) includes a housing (12), pushbuttons (14, 16) mounted on the housing for receiving customer responses to an inquiry, circuitry for counting and storing the number of times each pushbutton (14, 16) is depressed, and a time delay circu... | 08/06/1991 |
