Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602373 | Differential pressure switch with an adjusting piston driven by a restoring spring for an oil-separating air filter | Michael Wolf | 1997-02-11 |
| 5530310 | Squirrel-cage rotor of an electric machine | Heinz Boehm, Egbert Scharstein | 1996-06-25 |
| 5323476 | Apparatus for increasing the cross section of optical waves | Gustav Mueller, Lothar Stoll | 1994-06-21 |