Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682821 | Displacement device for the horizontal displacement of heavy loads | Heinz Heller, Wolf Kuhlmann | 1997-11-04 |
| 5664500 | Shifting device for horizontal shifting of heavy loads | Dietmar Lindner | 1997-09-09 |