Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681462 | Device for separating liquids of differing density | Ulrich Brockhoff, Eberhard Kolitz | 1997-10-28 |
| 5660607 | Apparatus for separating oil aerosols from air | Guenter Jokschas, Lothar Keller | 1997-08-26 |
| 5640070 | Electronic flash apparatus with a protective circuit which limits heating | — | 1997-06-17 |
| 5602373 | Differential pressure switch with an adjusting piston driven by a restoring spring for an oil-separating air filter | Bernd Sauer | 1997-02-11 |