Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634365 | Method of and apparatus for homogenizing streams of particulate fibrous material | Ralf Barkmann, Reinhard Hoppe, Peter Schumacher, Rolf Lindemann | 2003-10-21 |
| 5738115 | Method of and apparatus for decontaminating the exposed surfaces of filter mouthpieces in smokers products | Firdausia Chehab, Stefan Fietkau, Peter-Franz Arnold, Clemens Schmick | 1998-04-14 |
| 5645087 | Method of and apparatus for decontaminating the exposed surfaces of filter mouthpieces in smokers' products | Firdausia Chehab, Stefan Fietkau, Peter-Franz Arnold, Clemens Schmick | 1997-07-08 |