Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4742290 | Recharging battery charger | Richard C. Sutphin, Steven R. Bell | 1988-05-03 |
| 4710694 | Microprocessor controlled battery charger | Richard C. Sutphin, Steven R. Bell | 1987-12-01 |
| 4682262 | Battery charger spark suppressor | — | 1987-07-21 |