Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7013948 | Disintegrative core for use in die casting of metallic components | Mark P. Potratz | 2006-03-21 |
| 6478073 | Composite core for casting metallic objects | Mark P. Potratz, William G. Hesterberg, Terrance M. Cleary | 2002-11-12 |