Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6701875 | Internal combustion engine with piston cooling system and piston therefor | Gordon L. Starr, Guangping Pan | 2004-03-09 |
| 6298721 | Continuous liquid level measurement system | Alfred Schuppe, Dean H. Dringenburg, Matthew L. Schneider, Mike W. French | 2001-10-09 |
| 6044821 | Durable cylinder liner and method of making the liner | — | 2000-04-04 |