Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6511622 | Investment casting with improved as-cast surface finish | Joseph M. Vihtelic, Alan Graham, Robert L. McCormick | 2003-01-28 |
| 5983982 | Investment casting with improved as-cast surface finish | Joseph M. Vihtelic, Alan Graham, Robert L. McCormick | 1999-11-16 |