Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6845537 | Automatic power-driven toothbrushes | — | 2005-01-25 |
| 6105167 | Buoyancy aid | — | 2000-08-22 |
| 5963708 | Heating system | — | 1999-10-05 |
| D308413 | Combined humidifier and fan heater unit | — | 1990-06-05 |
| 4752423 | Combined humidifier and fan heater unit | — | 1988-06-21 |
| 4741105 | Combined envelope opener and pencil sharpener unit | — | 1988-05-03 |
| 4735153 | Load support and handling means | — | 1988-04-05 |