Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4447334 | Method for the dewatering of lump peat | Burkard Rosenberg | 1984-05-08 |
| 4417982 | Device for the dewatering of naturally moist lump peat | Bruno Portmann, Louis Berchtold | 1983-11-29 |