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 |
| 7367746 | Lifting pole apparatus for traffic control There is provided a lifting pole apparatus which can lift and lower a pole having such strength as to be capable of preventing cars from entering. The lifting pole apparatus comprises a cylindrical pole which is capable of lifting and lowering inside a housing case;... | 05/06/2008 |
