Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872274 | Removable tooth with adapter for digging excavators | Hans-Werner Rickmann, Ulrich Wibbeling | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872274 | Removable tooth with adapter for digging excavators | Hans-Werner Rickmann, Ulrich Wibbeling | 1989-10-10 |