Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397158 | Apparatus for treating materials in the form of continuous lengths | Dieter Riedel | 1983-08-09 |
| 4343318 | Method of endothermic fermentation of tobacco | Heinz Rudhard | 1982-08-10 |