Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6271646 | Battery cell by-pass circuit | Ronald V. Gelger | 2001-08-07 |
| 6211650 | Battery cell by-pass circuit | Susan J. Mumaw, Calvin L. Craig, Jr., Stuart Douglas Walker | 2001-04-03 |