Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845060 | Sinterable Si.sub.3 N.sub.4 powder and a process for its preparation | Ulrike Wickel, Gerhard Franz | 1989-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845060 | Sinterable Si.sub.3 N.sub.4 powder and a process for its preparation | Ulrike Wickel, Gerhard Franz | 1989-07-04 |