Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6262505 | Flywheel power supply having axial magnetic bearing for frictionless rotation | Richard L. Hockney, Stephen B. Nichols, Geoffrey B. Lansberry, Francis E. Nimblett, Dariusz Antoni Bushko +4 more | 2001-07-17 |
| 4377877 | Power driven rotary toothbrush with automatic flossing means | — | 1983-03-29 |
| 4304023 | Power driven rotary toothbrush | — | 1981-12-08 |
| 4181997 | Water-powered toothbrush with dentifrice attachment | — | 1980-01-08 |