Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4181375 | Roller bearing with rolling elements having concave center parts and convex end parts | Armin Olschewski, Rainer Schurger, Lothar Walter, Manfred Brandenstein, Erich Burkl | 1980-01-01 |