Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481933 | Powered support frame for large seam thicknesses with controlled gap sealing plates | Michael Dettmers | 2002-11-19 |
| 5104267 | Roof supports for a mining installation | Gunter Lagodka, Fritz Kleibohmer | 1992-04-14 |