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 |
| 6964089 | Sink flange assembly installation method and tool A tool for installing a locking ring in an annular groove defined by a lower annular rim portion of a sink flange of a garbage disposer sink flange assembly. The tool includes a pair of elongated members that are pivotally connected at a pivot point to form a pair o... | 11/15/2005 |
| 4102608 | Reciprocatory piston and cylinder machines Vacuum pump of reciprocating piston and cylinder type. Cylinder is stepped to have front large diameter portion and rear small diameter portion. Piston has enlarged head portion sliding in front portion of cylinder and rear portion sliding in rear portion... | 07/25/1978 |
| 3995538 | Crosshead piston assembly An internal combustion engine crosshead piston assembly having an outer skirt elastomerically mounted on an inner skirt to reduce piston-slap-caused noise.... | 12/07/1976 |
| 3983793 | Crosshead piston assembly An internal combustion engine crosshead piston assembly having an outer skirt mounted by an elastomeric member on an inner skirt to reduce piston-slap-caused noise wherein expansible chambers are provided in the elastomeric member and are connected by ori... | 10/05/1976 |
