Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980322 | Sinterable SI.sub.3 N.sub.4 powders containing sintering additives and a process for their preparation | Gerhard Franz, Benno Laubach | 1990-12-25 |
| 4845060 | Sinterable Si.sub.3 N.sub.4 powder and a process for its preparation | Gerhard Franz, Benno Laubach | 1989-07-04 |