Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573484 | Charging device for opening and delivering leaf-type material | Peter Maubach, Johannes Haas, Horst Quester | 1986-03-04 |
| 4483350 | Device for charging cigarette machines with tobacco | Johannes Haas, Karl W. Quester | 1984-11-20 |