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 |
| 4405128 | Muscular exercise apparatus and method An exercise apparatus permitting external torque applied in resistance to an exercise to be adjustably controlled during the course of the exercise to match the external torque applied with the internal torque produced by the muscles involved in the exerc... | 09/20/1983 |
