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 |
| 6189517 | Internal combustion engine with low viscosity fuel system A pressurized fuel tank maintains fuel in its liquid phase and is connected to a fuel pump providing fuel to an accumulator. Control valves control fuel flow to injectors feeding fuel to combustion cylinders. When the engine is shut down, one way check va... | 02/20/2001 |
| 6119664 | Fuel injection system for clean low viscosity fuels An internal combustion engine that is driven by fuels such as dimethyl ether (DME) that have a viscosity less than 1.0 and a storage and delivery system for the fuel that will reduce considerably the emissions of NOx and particulate. The fuel d... | 09/19/2000 |
| 5816228 | Fuel injection system for clean low viscosity fuels An internal combustion engine that is driven by fuels such as dimethyl ether (DME) that have a viscosity less than 1.0 and a storage and delivery system for the fuel that will reduce considerably the emissions of NOx and particulate. The fuel d... | 10/06/1998 |
