Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632560 | Retention frame for a battery pack | Shijian Zhou, Jeffrey C. Waters | 2003-10-14 |
| 6569556 | Cooling system for a battery pack | Shijian Zhou, Jeffrey C. Waters, Robert L. Stinefield | 2003-05-27 |