Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11097337 | Thermal processing of cylinder liners | Jianghuai Yang, Qigui Wang, Dale A. Gerard | 2021-08-24 |
| 6520244 | Method and apparatus for curing foundry cores | James R. Lapeus, Mark John Gallo, Robert W. Grenkowitz, Stephen A. Veresh | 2003-02-18 |
| 5620044 | Gravity precision sand casting of aluminum and equivalent metals | Robert W. Grenkowitz, Allen D. Ackerman | 1997-04-15 |