Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332421 | Coupling devices for connecting a mineral mining machine to a drive chain | Gerhard Merten, Oswald Breuer | 1982-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332421 | Coupling devices for connecting a mineral mining machine to a drive chain | Gerhard Merten, Oswald Breuer | 1982-06-01 |