Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7812495 | Sleeve in end rings for permanent magnet rotor | Sam Shiao, Dave Elpern, Terry L. Morris | 2010-10-12 |
| 4809590 | Sealing arrangement for rotary vane-type motors | Johannes Naumann, Hans-Jurgen Tappert, Klaus Schrader, Bernhard Klose | 1989-03-07 |