Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728582 | Ceramic sliding element with aluminum oxide and silicon nitride members | Ulrich Krohn, Hans Jud, Hans-Gerd Rittel | 1988-03-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728582 | Ceramic sliding element with aluminum oxide and silicon nitride members | Ulrich Krohn, Hans Jud, Hans-Gerd Rittel | 1988-03-01 |