Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11097337 | Thermal processing of cylinder liners | Jianghuai Yang, Qigui Wang, Dale A. Gerard | 2021-08-24 | $36,471,000 |
| 6520244 | Method and apparatus for curing foundry cores | James R. Lapeus, Mark John Gallo, Robert W. Grenkowitz, Stephen A. Veresh | 2003-02-18 | $51,714,000 |
| 5620044 | Gravity precision sand casting of aluminum and equivalent metals | Robert W. Grenkowitz, Allen D. Ackerman | 1997-04-15 | $29,915,000 |