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 |
| 6072082 | Process for producing 2,2'-Bis(hydroxymethyl) alkanoic acid A process for producing 2,2'-bis(hydroxymethyl)alkanoic acid of the present invention, comprises: a 2,2'-bis(hydroxymethyl)alkanal production step (A1) of reacting aliphatic aldehyde having two hydrogen atoms bonded to -carbon atom thereof, with fo... | 06/06/2000 |