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 |
| 7427928 | Information system An information system is provided for transmitting data into a local area surrounding the transmitter. The transmitter may be used to provide information to pedestrians, or to passing road traffic. Data is stored in a local memory 64 associated with the trans... | 09/23/2008 |
