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 |
| 4210821 | Apparatus for extracting energy from movement of water This invention relates to apparatus for converting into useful energy movements imparted thereto by movement of water, preferably sea waves and/or sea currents, the apparatus comprising two or more interconnected members of which at least one is buoyant a... | 07/01/1980 |
| 4098084 | Apparatus for extracting energy from wave movement of the sea This invention relates to apparatus for extracting energy from movement of water, particularly sea waves, the apparatus comprising a plurality of buoyant members which are interconnected one with another so as to be movable relative to one another, each b... | 07/04/1978 |
