Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372691 | Thermocell | Norma K. Bullock | 1994-12-13 |
| 5308719 | Lead acid batteries containing center lug plates and high performance cast-on straps | Edward N. Mrotek, David A. Thuerk | 1994-05-03 |
| 5302476 | High performance positive electrode for a lead-acid battery | Norma K. Bullock, Ralph Petersen | 1994-04-12 |