Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6949136 | High temperature investment material and method for making solid investment molds | Claude H. Watts | 2005-09-27 |
| 6921786 | Pattern material | April Tetlow | 2005-07-26 |
| 6746528 | High temperature investment material and method for making solid investment molds | Claude H. Watts | 2004-06-08 |
| 5221336 | Method of casting a reactive metal against a surface formed from an improved slurry containing yttria | — | 1993-06-22 |
| 4947927 | Method of casting a reactive metal against a surface formed from an improved slurry containing yttria | — | 1990-08-14 |
| 4862947 | Method of casting an article | Arunachalam Jeyarajan, Lawrence D. Graham | 1989-09-05 |
| 4550764 | Apparatus and method for casting single crystal articles | Gowri S. Jayaraman | 1985-11-05 |
| 4316498 | Investment shell molding materials and processes | — | 1982-02-23 |
| 4284121 | Process and materials for making refractory cores | — | 1981-08-18 |
| 4220190 | Method of making tooling | John H. Simmons, Timothy Bauer | 1980-09-02 |