Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691087 | Sealed lead-acid cells and batteries | Thomas Uhlemann | 1997-11-25 |
| 5650242 | Antimony-arsenic-tin-selenium lead-based strap alloys for lead-acid batteries | Steven R. Larsen | 1997-07-22 |