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 |
| 4172573 | Fuel tank An external, aircraft fuel tank constructed to be crashworthy or to withstand a crash from flight without rupturing the outer, rigid walls thereof. The fuel tank includes bulkheads arranged in the tank adjacent to but spaced from the end sections and defi... | 10/30/1979 |
| 4134503 | Dumping apparatus for open top of vehicles Open top vehicles are dumped by an apparatus including a vehicle receiver having stanchions on either side supporting hold-down means for clamping the vehicle against the deck of the receiver. The receiver is pivotally connected along one side to bolsters... | 01/16/1979 |
| 4132983 | Radio synchronized warning light system A warning light system constructed of an array of flashable, warning lights. The warning lights are self-contained, battery powered warning lights that may be arranged in an array and controlled to flash simultaneously. Each light includes an individual t... | 01/02/1979 |
| 4115257 | Grain cleaner A cleaner for removing waste particles from grain and similar agricultural products. The cleaner comprises a pair of concentric drums adapted to be rotated in unison and having perforated outer surfaces for separating out waste particles. The inner drum h... | 09/19/1978 |
| 4083033 | Traffic control element A traffic barrel constructed of a lightweight material consisting of two elements that may be readily assembled and stabilized in position and readily separated upon a substantial impact. The traffic barrel may mount one or two warning lights for nighttim... | 04/04/1978 |
| 4043441 | Mobile pump A mobile pump for pumping moist compressible materials such as plaster, concrete, mortar and the like constructed integrally with a motor vehicle to be powered and transported thereby. The pump is provided with integral conveying apparatus redefining the ... | 08/23/1977 |
| 4008816 | Grain bin sweep auger with torque arm A grain storage bin has a floor with a central discharge opening, an elongated sweep auger extending radially from the discharge opening toward the wall of the bin, and an elongated shield extending alongside the auger. The sweep auger and shield travel a... | 02/22/1977 |
| 3973805 | Motor vehicle security system and security method A motor vehicle security system for trucks, trailers and the like equipped with conventional fluid operated braking assemblies. The security system comprises a manually operable valve for controlling the application of fluid under pressure to the braking ... | 08/10/1976 |
| 3963352 | Wheel alignment apparatus Wheel alignment apparatus for electrically indicating the alignment condition of a vehicle wheel in which there is sensing means, including an element adapted to be detachably secured to the wheel, for producing an electrical output dependent upon the ext... | 06/15/1976 |
| 3930808 | Automatic collet hinge/screw placement machine An automatic collet hinge/screw placement machine comprising a reservoir for bulk storage of screws, a vibrator segregating the screws into a plurality of magazines and an escapement mechanism for dispensing a set of screws essentially concurrently in tim... | 01/06/1976 |
