Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882501 | Power supply arrangement for electro-hydraulic control systems in mining and civil engineering | Martin Reuter | 1989-11-21 |
| 4870364 | Method of, and apparatus for, monitoring the operation of electromagnetic hydraulic valves | Uwe Trox, Willy Kussel, Martin Reuter | 1989-09-26 |