Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6331761 | Battery charger capable of evaluating battery charge state based on the charging history of the battery | Donald W. Malackowski | 2001-12-18 |
| 6160376 | Battery charger capable of evaluating battery charge state | Donald W. Malackowski | 2000-12-12 |
| 6018227 | Battery charger especially useful with sterilizable, rechargeable battery packs | Donald W. Malackowski | 2000-01-25 |
| 5732964 | User-propelled steerable apparatus | Kimberly Elizabeth Durham, Edwin Alphonso, Jinqiu Chen, Peter Gregory Davis, John T Dillon +3 more | 1998-03-31 |