Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105522 | Process of manufacturing a friction ring provided with a sinter-bonded friction facing | Johann Gramberger | 1992-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105522 | Process of manufacturing a friction ring provided with a sinter-bonded friction facing | Johann Gramberger | 1992-04-21 |