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 |
| 5265891 | Jogger's baby carriage apparatus A frame assembly removably mounts a coach member thereon, wherein the frame member assembly includes spring members to cushion the coach member mounting to the frame assembly, with the frame assembly further including first and second harness tubes to acc... | 11/30/1993 |
| 4817975 | Self-aligning sulky There is disclosed in one aspect, a self-aligning sulky with independently pivotable wheels which may be pivoted through a full 360 degree rotation. The pivotable wheels provide a sulky that provides less rolling resistance and greater resistance to tippi... | 04/04/1989 |
| 4392663 | Training cart A two-wheeled cart for training trotters, wherein the cart frame comprises two longitudinal rigid thill members, which at a central part thereof are pivotally connected through a cross connecting member to be vertically rotatable in relation to each other... | 07/12/1983 |
