Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6415528 | Drying device for drying bulk material | Holger Kühnau, Frank Fischer, Carl Litherland | 2002-07-09 |
| 5896675 | Device with at least one storage container for material to be treated, preferably plastic material granules | Manfred Nowak | 1999-04-27 |