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 |
| 7255523 | Dual threaded screw for composite materials An improved dual threaded fastener for composite materials having a head and a shaft. The head is affixed to one end of the shaft and the shaft includes a point at its other end. The shaft includes an upper threaded portion and an upper threaded portion. The diamete... | 08/14/2007 |
| 7165695 | Dispensing container for dispensing fasteners A container is specially configured to enable a user to withdraw stored fasteners such as nails, screws, bolts, and the like. The device includes a receptacle base having a bottom wall and a continuous side wall that can be somewhat squared in shape. The receptacle ... | 01/23/2007 |