Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5935914 | Lubricants for conveyor belt installation in the food industry | Holger Theyssen, Stefan Wiemer | 1999-08-10 |
| 4556736 | Method for producing crystalline acrylamido alkyl trialkylammonium chlorides | Heiko Humbert | 1985-12-03 |