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 |
| 3964503 | Carburetor A carburetor provided with a rocking member which will be able to forcibly move a needle valve to a valve closing position through a float when a carburetor body inclines by an angle larger than a predetermined angle from a normal position, in order to pr... | 06/22/1976 |
| 3956986 | Inking system for printing machines An inking system for applying ink to a printing plate which includes a fountain roller and a series of ink feed rollers with at least one vibrated roller or drum. Means are provided for automatically regulating the temperature of the fountain roller there... | 05/18/1976 |
| 3955641 | Safety shut-off fuel system An automotive fuel system which has a fuel tank, a fuel pump, a fuel metering device for metering fuel flow to an associated fuel-consuming engine, and a fuel reservoir, as, for example, a carburetor fuel bowl with a float controlled fuel inlet valve, has... | 05/11/1976 |
| 3938538 | Control valve apparatus A control valve is disclosed which includes first and second valves. An inverted pendulum is operative with the valves such that when the pendulum rotates in one direction the first valve is opened and the second valve is closed, and when the pendulum rot... | 02/17/1976 |
