Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9099730 | Storage battery having molded-in terminal | Guy Pfeifer, Mark S. Inkmann, Matthew Bielawski | 2015-08-04 |
| 8372537 | Battery with a molded in-front terminal | Matthew Bielawski, Guy Pfeifer, Mark S. Inkmann | 2013-02-12 |
| 8263257 | Removable handle for industrial battery | Matthew Bielawski, Mark S. Inkmann, Guy Pfeifer | 2012-09-11 |
| 5552642 | Protection system with voltage switching | Thomas J. Dougherty, Debra L. Smith, Ann L. Roche, David J. Novak | 1996-09-03 |
| 5424148 | High performance battery cast-on strap | Edward N. Mrotek, Dennis L. Marshall, Wen-Hong Kao | 1995-06-13 |
| D352272 | Pair of battery connector posts | — | 1994-11-08 |
| 5308719 | Lead acid batteries containing center lug plates and high performance cast-on straps | Edward N. Mrotek, Wen-Hong Kao | 1994-05-03 |
| 5284720 | Vent cap with electrolyte drain and explosion attenuation capabilities | Debra L. Smith, Thomas J. Dougherty, Randy K. Hulsebus | 1994-02-08 |
| 5162164 | Dual battery system | Thomas J. Dougherty, Alan J. Klebenow, Edward N. Mrotek, Maurice C. Michaud | 1992-11-10 |
| 5002840 | Switched emergency battery system | Alan J. Klebenow, Thomas J. Dougherty, Edward N. Mrotek, Maurice Michaud | 1991-03-26 |