Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656395 | Metal-air cathode and cell having a hardened current collecting substrate | John Edward Oltman, Joseph L. Passaniti | 1997-08-12 |
| 5650246 | Metal-air cathode and cell having a hardened current collecting substrate | John Edward Oltman, Joseph L. Passaniti | 1997-07-22 |
| 5637117 | Method of hardening a metal current collecting strip of an air cathode and a method of making a button type battery | John Edward Oltman, Joseph L. Passaniti | 1997-06-10 |