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 |
| 5864053 | Suspension rolling tester A suspension rolling tester is provided for measuring the movement of suspensions of wheels to be measured vehicle when the vehicle is rolled. The suspension rolling tester includes a roll input device and measuring devices, wherein the roll input device ... | 01/26/1999 |
| 5756877 | System for inspecting vehicular shock absorber The invention inspects a shock absorber installed in a vehicle between a vehicle body and a road wheel by manually moving the vehicle body in a generally vertical direction of the vehicle until the vehicle body initiates vibration in the vertical directio... | 05/26/1998 |
| 5604296 | Compliance tester A compliance tester tests the flexibility of a motor vehicle suspension system which includes a bush. The tester comprises first and second bases between which is defined a fluid chamber whose volume is variable upon a vertical movement of the second base... | 02/18/1997 |