Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4275927 | Mineral mining plough with worm adjustable roof cutter | Gerhard Merten, Oswald Breuer | 1981-06-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4275927 | Mineral mining plough with worm adjustable roof cutter | Gerhard Merten, Oswald Breuer | 1981-06-30 |