Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7574958 | Printing material sheet gripper and method for producing the sheet gripper | Jens Forche, Karl-Heinz Helmstadter, Hans-Peter Hiltwein, Volker Weyde | 2009-08-18 |
| 5992321 | Device for holding and tautening cylinder packings on printing machine cylinders | — | 1999-11-30 |
| 5171571 | Effervescent tablet | Hans J. Honerlagen, Jochen Mitschka, Gunter Stephan | 1992-12-15 |
| 5063882 | Oil separator for gases from a crankcase of an internal-combustion engine | Alfred Koch | 1991-11-12 |