Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365679 | Drill bit | Hans B. van Nederveen | 1982-12-28 |
| 4330911 | Process for production of an object consisting of at least two parts movable relative to each other, one of which is substantially enclosed within the other | Hendrikus Jan Kapaan | 1982-05-25 |
| 4317850 | Method for applying a dense, hard, adhesive and wear-resistant layer of cermets or ceramic material on a metal object | Hans B. van Nederveen | 1982-03-02 |