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 |
| 7319972 | Systems and methods for modeling product penetration and repeat Methods, devices and systems are provided for modeling product volume penetration. A system embodiment includes a remote client operably connected to a server, having a number of client files, and an input device. A set of computer executable instructions are operab... | 01/15/2008 |