Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916034 | Battery vent strip | Randy K. Hulsebus, Edward N. Mrotek, Paul J. Buckethal, Gerald A. Cummins | 1990-04-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916034 | Battery vent strip | Randy K. Hulsebus, Edward N. Mrotek, Paul J. Buckethal, Gerald A. Cummins | 1990-04-10 |