Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758049 | Apparatus for the underground operation of a movable mining machine | Helmut Trapp | 1988-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758049 | Apparatus for the underground operation of a movable mining machine | Helmut Trapp | 1988-07-19 |