Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688612 | Battery cover and vent cap interface seal | Thomas J. Dougherty, Gerald A. Cummins, Dean R. Walsten | 1997-11-18 |
| 5688615 | Bipolar battery and method of making same | Wen-Hong Kao | 1997-11-18 |
| 5674640 | Housing system for a multi-cell battery | Noreen D. Gilbertsen | 1997-10-07 |