Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671105 | Process and device for determining the internal condition of trees or wooden components | Siegfried Voss | 1987-06-09 |
| 4215825 | Crusher with impacting bars | Ulrich Fritz, Thorwald Kipp, Udo Sudmersen | 1980-08-05 |