Williamson; Warren L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Williamson; Warren L..The latest application filed is for "ground fault circuit interrupt device".
- Williamson; Warren L. - Mesa AZ
- Williamson; Warren L. - Indianapolis IN
| Patent | Date |
|---|---|
| Bulk tank cryogenic safety system Grant 8,011,539 - O'Donnell , et al. September 6, 2 | 2011-09-06 |
| Ground Fault Circuit Interrupt Device App 20080088992 - Williamson; Warren L. | 2008-04-17 |
| Ground fault circuit interrupt device App 20070109696 - Williamson; Warren L. | 2007-05-17 |
| Organic light emitting diode array drive apparatus Grant 5,719,589 - Norman , et al. February 17, 1 | 1998-02-17 |
| Microprocessor-based cordless telephone system Grant 4,467,140 - Fathauer , et al. August 21, 1 | 1984-08-21 |
| Processor controlled scanning radio receiver Grant 4,461,036 - Williamson , et al. July 17, 1 | 1984-07-17 |
| Duty cycle controller Grant 4,453,590 - Holliday , et al. June 12, 1 | 1984-06-12 |
| Engine timing instrument Grant 4,441,360 - Dooley , et al. April 10, 1 | 1984-04-10 |
| Peak detector for resolution enhancement of ultrasonic visualization systems Grant 4,234,937 - Eggleton , et al. November 18, 1 | 1980-11-18 |
| Peak detector for resolution enhancement of ultrasonic visualization systems Grant 4,074,223 - Eggleton , et al. February 14, 1 | 1978-02-14 |
| Radio receiver using frequency synthesizer Grant 4,027,251 - Fathauer , et al. May 31, 1 | 1977-05-31 |
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