Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502213 | Apparatus for the automatic closure of electrochemical cells | Kenneth C. LeDuc | 1985-03-05 |
| 4437327 | Method and apparatus for circumferentially grooving thin-walled cylindrical metal objects | — | 1984-03-20 |
| 4369570 | Apparatus for inserting insulating disc in cell container | Kenneth C. LeDuc | 1983-01-25 |