Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5937802 | Engine cooling system | Steven J. Bethel, Mark A. Ruman, Robert J. Baumhardt | 1999-08-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5937802 | Engine cooling system | Steven J. Bethel, Mark A. Ruman, Robert J. Baumhardt | 1999-08-17 |