Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074677 | Center-free large roller bearing | Dieter Becker, Heinrich Siemensmeyer, Johannes Wozniak | 1991-12-24 |
| 4573811 | Center-free large rolling bearing | Walter Creutz | 1986-03-04 |
| 4463995 | Safety mounting for large antifriction bearings | — | 1984-08-07 |