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 |
| 5871290 | Stamping device with rollers mounted for pivotal movement A stamping device includes two stamp rollers and a support member having the two stamp rollers mounted thereon and arranged on a circumference having a center at a center of pivotal movement. The stamp rollers are spaced apart by a predetermined angle abo... | 02/16/1999 |
| 4095686 | Printer having swingable printing rings Printer having swingable printing rings which are selectively swung against a platen to print a line of selected characters on a paper by selecting a desired character from a plurality of characters provided on the periphery of each printing ring during t... | 06/20/1978 |
