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 |
| 7342375 | Automatic storm shutter control The present invention provides wireless and direct wired methods and devices for automatically closing electrically-driven roll-down storm shutters in the presence of rain on one or more rain sensors. ... | 03/11/2008 |