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 |
| 6937482 | Compact, high efficiency, high isolation power amplifier A power feedforward amplifier uses integral cavities to provide RF isolation between subcircuits of the power amplifier. The chassis includes a main chassis body and a lid structure adapted to couple with the chassis body and define the subcircuit cavities. The inne... | 08/30/2005 |
| 4893100 | External manual rotatable drive useable to tune a VCR Disclosed herein is a drive device designed to be detachably mounted on an existing video cassette recorder and playback machine and including a friction wheel designed to frictionally engage a channel tuning wheel already located on the machine as manufa... | 01/09/1990 |
| 3944952 | Fine tuning system having a limited user adjustable tuning range A limited tuning range tuning unit useable with a television tuner of the turret type includes a user tunable coil having a tuning slug extending from an end of the tuning unit. A pinion gear engageable by a drive train coupled to a user operated fine tun... | 03/16/1976 |
