Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461758 | Battery with vent cap assembly | Matthias Geibl, Thomas J. Dougherty, Mark S. Inkmann, Guy Pfeifer, Gerald A. Cummins +8 more | 2002-10-08 |
| 6143438 | Cold flow sealing vent | Matthias Geibl, Thomas J. Dougherty, Mark S. Inkmann, Guy Pfeifer | 2000-11-07 |
| 5702841 | Electrolyte venting system with tubular splash guards | Brian Thomas, Jerome R. Heiman, Rick L. Barnett | 1997-12-30 |
| 5549986 | Battery cover and manifold system providing spew resistance and explosion attenuation capabilities | Jerome R. Heiman | 1996-08-27 |