Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815898 | Roof supports | Egon Wojaczek, Klaus Seeberger, Harry Rosenberg | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815898 | Roof supports | Egon Wojaczek, Klaus Seeberger, Harry Rosenberg | 1989-03-28 |