Issued Patents 1997
Showing 1–3 of 3 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, Dietwart Guntert | 1997-12-16 |
| 5682785 | Rolling mill and method for precision rolling wire or rolling stock having a round cross-section | Karl Keller, Paul-Josef Mauk | 1997-11-04 |
| 5613392 | Horizontal/vertical roll stand | Konrad Hamraths | 1997-03-25 |