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 |
| 4312793 | Electrical joint compound The present invention relates to an electrical joint compound for use in tubular compression connectors generally of aluminum or copper, and is particularly useful for joining large, stranded or solid, underground, electrical power cable and terminations ... | 01/26/1982 |
| 4214121 | Electrical joint compound The present invention relates to an electrical joint compound for use in tubular compression connectors generally of aluminum or copper, and is particularly useful for joining large, stranded or solid, underground, electrical power cable and terminations ... | 07/22/1980 |
