Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5433774 | Friction lining and process for the production thereof | Rudolph Hinterwaldner | 1995-07-18 |
| 4835013 | Process of manufacturing a substrate provided with a synthetic resin-bonded friction coating | Friedrich Heck | 1989-05-30 |