Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5129742 | Roller bearing for anti-locking brake system | Ortwin Harsdorff, Horst Back | 1992-07-14 |
| 4749288 | Support for rolling bearing | Paul-Gerhard Hoch, Uwe Brockmuller | 1988-06-07 |
| 4194752 | Skateboard | Wolfgang Friedrich, Herbert Dobhan, Hermann Hetterich, Peter Horling, Sigismund Finzel | 1980-03-25 |