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 |
| 4522864 | Decals and process for making same The decal of the present invention is a combination of a multi-color offset printed design on an extremely thin, flexible, extensible film of water resistant material covering a water soluble slip layer carried by porous decal paper and a uniform deposit ... | 06/11/1985 |