Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640693 | Coated silicon nitride cutting tool and process for making | Deepak G. Bhat, Dhirajlal Shah, Paul F. Woerner | 1987-02-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640693 | Coated silicon nitride cutting tool and process for making | Deepak G. Bhat, Dhirajlal Shah, Paul F. Woerner | 1987-02-03 |