Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667912 | Current collector assembly for an electrochemical cell | — | 1997-09-16 |
| 5422201 | Current collector assembly for an electrochemical cell | — | 1995-06-06 |
| 5418084 | Electrochemical cell having a safety vent closure | — | 1995-05-23 |
| 5227261 | Cylindrical electrochemical cells with a diaphragm seal | — | 1993-07-13 |
| 4992339 | Electrochemical cell with circuit disconnect device | — | 1991-02-12 |
| 4855195 | Electrochemical cell with internal circuit interrupter | John Langkau | 1989-08-08 |