Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461758 | Battery with vent cap assembly | Thomas J. Dougherty, Gerald D. Slayton, Mark S. Inkmann, Guy Pfeifer, Gerald A. Cummins +8 more | 2002-10-08 |
| 6143438 | Cold flow sealing vent | Thomas J. Dougherty, Gerald D. Slayton, Mark S. Inkmann, Guy Pfeifer | 2000-11-07 |
| 5217823 | Explosion resistant vent cap | Guy D. McDonald, Colleen M. Hays | 1993-06-08 |
| 4775604 | Method and apparatus for sealing a battery terminal post | Thomas J. Dougherty, Richard Hamann | 1988-10-04 |