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 |
| 4459791 | Telescoping box assembly An assembly in which a loaded container is covered with a box top in telescoping relationship with the loaded container. The box top is pressed over the loaded container and during the telescoping action is held in telescoping relationship by means of a s... | 07/17/1984 |