Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7302991 | Fugitive pattern for casting | Dane Chang, Yunwa W. Cheung, Charles F. Diehl | 2007-12-04 |
| 7302992 | Fugitive pattern for casting | Dane Chang, Yunwa W. Cheung, Charles F. Diehl | 2007-12-04 |
| 7264036 | Fugitive pattern for casting | Dane Chang, Yunwa W. Cheung, Charles F. Diehl | 2007-09-04 |
| 6511622 | Investment casting with improved as-cast surface finish | Alan Graham, Robert L. McCormick, Laura A. Carpenter | 2003-01-28 |
| 6481490 | Investment casting patterns and method | Philip D. Jackson, Jiri E. Kresta, Kurt C. Frisch | 2002-11-19 |
| 5983982 | Investment casting with improved as-cast surface finish | Alan Graham, Robert L. McCormick, Laura A. Carpenter | 1999-11-16 |