Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626466 | Piston pump | Manfred Ruoff, Helmut Rembold | 1997-05-06 |
| 5606856 | Arrangement for an after treatment of exhaust gases from an internal combustion engine | Hubert Dettling | 1997-03-04 |