Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885132 | Cemented carbonitride alloy with improved plastic deformation resistance | Ake B. Byhlin | 1989-12-05 |
| 4867761 | Ceramic cutting tool reinforced by whiskers | Zeljka D. Senesan | 1989-09-19 |
| 4857108 | Cemented carbonitride alloy with improved plastic deformation resistance | Ake B. Byhlin | 1989-08-15 |
| 4849381 | Ceramic cutting tool with improved toughness behavior | Anders Thelin | 1989-07-18 |