Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5378049 | Rotary cutter for extracting hard rock | Wolfgang Fleischhaker | 1995-01-03 |
| 5333399 | Fastening of the buckets and possibly also the skim cutters on cutting wheels | — | 1994-08-02 |