Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592970 | Electrochemical cell having a safety vent closure | — | 1986-06-03 |
| 4532705 | Method of making an electrochemical cell having a resealable vent closure | Lewis F. Urry | 1985-08-06 |
| 4529673 | Electrochemical cell having a safety vent closure | — | 1985-07-16 |
| 4437231 | Method of making an electrochemical cell having a safety vent closure | — | 1984-03-20 |
| 4421834 | Liquid cathode cells with a glass fiber separator | — | 1983-12-20 |
| 4329405 | Electrochemical cell having a safety vent closure | — | 1982-05-11 |
| 4328289 | Electrochemical cell having a resealable vent closure | Lewis F. Urry | 1982-05-04 |