Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5261654 | Sheet conveying suction apparatus | Helmut Kerber, Peter Mayer | 1993-11-16 |
| 4624183 | Ink metering device | Fred Kunkel, Peter Hummel, Bert Cappel, Helmut Kerber | 1986-11-25 |
| 4559874 | Ink metering system in letterpress and offset printing machines | Siegfried Schuhmann | 1985-12-24 |
| 4393775 | Arrangement for metering the ink quantity in inking units on printing presses | Bert Cappel, Siegfried Schuhmann | 1983-07-19 |