Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844951 | Method for depositing ultrathin laminated oxide coatings | Hans E. Hintermann, Gilbert Gindraux | 1989-07-04 |
| 4804231 | Point attack mine and road milling tool with replaceable cutter tip | Sergej-Tomislav Buljan | 1989-02-14 |