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 |
| 5542319 | Adjustable rachet-style self-tightening wrench The invention is an adjustable ratchet-style self-tightening wrench. The a wrench having a main body or handle, including a fixed jaw and a moveable jaw assembly which is pivotably attached to the main body. The handle has a first and a second end. The fi... | 08/06/1996 |
