Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698097 | Oil filter including replaceable primary and secondary flow filter elements | Hans Gebert, Rolf Mohle, Dietmar Sonntag, Elke Bruss, Hubert Muller | 1997-12-16 |
| 5589060 | Filter for liquids, in particular internal-combustion engine lubricant oils | Hans Gebert, Rolf M ohle, Dietmar Sonntag, Elke Bruss, Hubert M uller | 1996-12-31 |