Carroll; David T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Carroll; David T..The latest application filed is for "pet tooth care preparation".
- Carroll; David T. - Schofield WI
- Carroll; David T. - Sonoma CA
| Patent | Date |
|---|---|
| Pet tooth care preparation Grant 6,746,681 - Carroll June 8, 2 | 2004-06-08 |
| Variable engagement toothbrush Grant 5,511,273 - Carroll April 30, 1 | 1996-04-30 |
| Controller for outdoor lighting systems Grant 4,967,098 - Carroll October 30, 1 | 1990-10-30 |
| Power supply for outdoor lighting systems using high frequency Grant 4,906,901 - Carroll March 6, 1 | 1990-03-06 |
| Switching power supply VCO Grant 4,797,803 - Carroll January 10, 1 | 1989-01-10 |
| PWM control circuit for a non-symmetrical switching power supply Grant 4,794,508 - Carroll December 27, 1 | 1988-12-27 |
| Voltage regulator circuit Grant 4,791,546 - Carroll December 13, 1 | 1988-12-13 |
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