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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| Application No. | Application Title | Issue Date |
| 20100243592 | CEILING MOVABLE TYPE DISUSED CAR SCRAPPING SYSTEM This invention regards to a ceiling movable disused car scrapping system, more specifically, the invention is capable of to adjust the height and to move left and right hand side by itself at its position, and, as it mounts the disused car, it is capable of adjusting th... | 09/30/2010 |