Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401727 | Children's hygienic storage container | — | 2002-06-11 |
| 5511273 | Variable engagement toothbrush | — | 1996-04-30 |
| 5048143 | Teething brush | — | 1991-09-17 |
| 4967098 | Controller for outdoor lighting systems | — | 1990-10-30 |
| 4906901 | Power supply for outdoor lighting systems using high frequency | — | 1990-03-06 |
| 4797803 | Switching power supply VCO | — | 1989-01-10 |
| 4794508 | PWM control circuit for a non-symmetrical switching power supply | — | 1988-12-27 |
| 4791546 | Voltage regulator circuit | — | 1988-12-13 |