Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856278 | Control arrangement for at least two hydraulic consumers fed by at least one pump | Karlheinz Widmann, Norbert Kreth, Armin Stellwagen | 1989-08-15 |
| 4850191 | Control arrangement for at least two hydraulic consumers fed by at least one pump | Norbert Kreth, Armin Stellwagen | 1989-07-25 |