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 |
| 5040471 | Hand vegetable transplanter with assembly for varying quantity of liquid dispensed. Apparatus (10) for transplanting of vegetables or other plants is provided which eliminates stoop labor while properly placing plants (142) within earth openings (84); at the same time, a measured quantity of liquid (42) is delivered to the opening (84). ... | 08/20/1991 |
