Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428710 | Manipulator with a swivel jib | Hans-Theodor Grisebach, Rudolf Betzing, Volker Betzing, Klaus Betzing | 1984-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4428710 | Manipulator with a swivel jib | Hans-Theodor Grisebach, Rudolf Betzing, Volker Betzing, Klaus Betzing | 1984-01-31 |