Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5738697 | High permeability grinding wheels | Mianxue Wu, Stephen E. Fox, Thomas Ellingson, Lee A. Carman | 1998-04-14 |
| 5306565 | High temperature ceramic composite | Brad J. Miller, Kazimierz Sawicki, John W. Lucek, James G. Hannoosh | 1994-04-26 |
| 5061416 | Process for the manufacture of friable silicon nitride bodies | Craig A. Willkens, Brian J. Caprera | 1991-10-29 |
| 4885199 | Fiber-reinforced silicon nitride composite ceramics | Craig A. Willkens | 1989-12-05 |
| 4869943 | Fiber-reinforced silicon nitride ceramics | Stephen D. Hartline, George A. Rossetti, Jr. | 1989-09-26 |
| 4241000 | Process for producing polycrystalline cubic aluminum oxynitride | James W. McCauley | 1980-12-23 |