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 |
| 4436439 | Small printer A small printer for printing characters on a printing medium especially adapted for use in a portable electronic calculator. The printer includes a frame having a carriage slidably mounted thereon for lateral displacement across the printing medium. An in... | 03/13/1984 |
| 4412232 | Ink jet printer An ink jet printer includes a print head having a plurality of piezoelectric driving elements selectively energizable to cause ejection of droplets of ink through nozzles in a nozzle plate. Ink is supplied to the print head from an ink reservoir which is ... | 10/25/1983 |
| 4377741 | Apparatus for producing updated information on a tangible medium Apparatus for producing updated information on a tangible medium including a hand-held type instrument having an optical character reader to read present information on the medium, a programmable bus-oriented computing type network, spaced from the instru... | 03/22/1983 |
| 4168533 | Microcomputerized miniature postage meter A microcomputerized, miniature postage meter comprises an ink jet printing device adapted to project ink droplets onto a document. A microcomputer, which performs the control and data processing functions of the meter, includes a logic circuit programmed ... | 09/18/1979 |
| 3950760 | Device for writing with liquid ink A writing device for writing with liquid ink in which the transfer of the ink to the record carrier is electrically controlled having a piezoceramic beam provided with electrodes on the surface thereof and formed with ducts which extends longitudinally to... | 04/13/1976 |
