Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797008 | Roller bearing for rotary or linear applications | Michael Helbig | 1989-01-10 |
| 4273088 | Apparatus for setting the angular relationship between rotating driving, and driven members | Eberhard Hofmann, Ernst Ritter | 1981-06-16 |