Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908171 | Method of sintering articles of silicon nitride | Nils Claussen, Gunter Petzow | 1990-03-13 |
| 4322249 | Process for the preparation of dispersion ceramics | Nils Claussen, Gunter Petzow | 1982-03-30 |