Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150973 | Mounting sleeve for anti-friction bearing | Ernst Masur, Gottfried Ruoff | 1992-09-29 |
| 4714358 | Cage for lipless roller bearings | Oswald Bayer, Martin Grehn | 1987-12-22 |