Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4409004 | Carbonitride coated composite silicon nitride cutting tools | Sergej-Tomislav Buljan, Charles D'Angelo, III | 1983-10-11 |
| 4406670 | Nitride coated composite modified silicon aluminum oxynitride cutting tools | Sergej-Tomislav Buljan | 1983-09-27 |
| 4406667 | Nitride coated composite silicon nitride cutting tools | Sergej-Tomislav Buljan, Charles D'Angelo, III | 1983-09-27 |
| 4406668 | Nitride coated silicon nitride cutting tools | Sergej-Tomislav Buljan | 1983-09-27 |
| 4406669 | Carbonitride coated composite modified silicon aluminum oxynitride cutting tools | Sergej-Tomislav Buljan | 1983-09-27 |
| 4398611 | Mining drill | — | 1983-08-16 |
| 4388085 | Abrasion resistant articles based on silicon nitride | Sergej-Tomislav Buljan | 1983-06-14 |