Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946316 | Method and device for moving a shield-type support trestle | Willy Watermann | 1990-08-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946316 | Method and device for moving a shield-type support trestle | Willy Watermann | 1990-08-07 |