Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 6874800 | Hospital bed wheel linkage apparatus A patient support including a linkage assembly providing communication between at least one front wheel and at least one rear wheel. ... | 04/05/2005 |
| 6659215 | Four wheel drive, four wheel steering vehicle The present invention relates to a four-wheel drive vehicle which on account of its constructive composition has very good off-road characteristics, in addition to which the vehicle can be adapted to a number of transport requirements and can act as a too... | 12/09/2003 |
| 5819865 | Skateboard type vehicle A light transport vehicle (10) which is directly steerable by a person or persons standing on the vehicle, which vehicle includes (a) an elongated, flexible platform (11); (b) a leading two-part carriage (20) and a trailing two-part carriage (30) slung to... | 10/13/1998 |
| 4098519 | Wheeled sled A wheeled sled is provided with crossed steering bars pivoted to each of the rear axle brace, front axle brace and steering handle. The steering bars pivot the axle braces in opposite directions as the steering handle is moved to minimize the turning circ... | 07/04/1978 |
