Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |