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 |
| 6371745 | Pivoting vane rotary compressor A rotary compressor includes a housing having a generally cylindrical chamber and rotor mounted eccentrically within the chamber to define about the rotor a main chamber region, which narrows to a constricted region. There is an intake port formed in the ... | 04/16/2002 |
| 4819594 | Reversible rotary internal combustion engine A reversible rotary internal combustion engine comprising a stator which defines a cylindrical chamber (43), a drive shaft (1) extending coaxially through the chamber, a rotor (2) comprising a cylindrical hub mounted coaxially on the drive shaft and a rot... | 04/11/1989 |
