Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4581993 | Device for a printing press comprising a plate cylinder and/or blanket cylinder | — | 1986-04-15 |
| 4491833 | Equipment for indication of the electrically measurable positions or adjustments of individual units required for the printing process | — | 1985-01-01 |
| 4200932 | Means for the control and regulation of the printing process on printing presses | Peter Schramm, Siegfried Schuhmann, Alfred Dorn, Bert Cappel | 1980-04-29 |
| 4193345 | Device for adjustment of the ink flow on printing press inking units | Alfred Dorn | 1980-03-18 |