Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969754 | Rotational bearing arrangement for high speeds of rotation | Reinhard Rohrer, Jurg Bischofberger, Raymond Frey | 1990-11-13 |
| 4915515 | Rotational bearing arrangement for high rotational speeds | Reinhard Rohrer, Jurg Bischofberger, Raymond Frey | 1990-04-10 |