Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4483350 | Device for charging cigarette machines with tobacco | Alfred Ruffer, Johannes Haas | 1984-11-20 |
| 4255869 | Method of and apparatus for the operation of treatment processes for bulk goods and the like | Johannes Haas, Hans-Joachim Ulbrich, Dieter Schroder | 1981-03-17 |
| 4233997 | Rib roller for processing tobacco ribs | Josef Gontgen, Adolf Muller | 1980-11-18 |