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 |
| D605773 | Orally affixable palette shaped dental device | 12/08/2009 |
| 6907633 | Zoning of inflatable bladders The present invention is directed to diminish the material's creep problem found in inflatable bladders. This is accomplished by positioning an anti-creep zone within a bladder. The anti-creep zone is separated from the remainder of the bladder by a fluid barrier. T... | 06/21/2005 |
| 6857151 | Bead cushioning device A cushioning device has a flexible container and a plurality of polymeric beads within the flexible container which flows under a slight force and shears easily. The cushioning device is capable of receiving a physical object that applies a force to the cushion. Whe... | 02/22/2005 |