Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7296612 | Apparatus and method for low pressure sand casting | — | 2007-11-20 |
| 7293598 | Cylinder liner improvements | — | 2007-11-13 |
| 7134479 | Apparatus and method for low pressure sand casting | — | 2006-11-14 |
| 6543518 | Apparatus and method for casting | Clifford B. Rothwell | 2003-04-08 |