Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872962 | Printing press | Wolfgang Scheer, Gerhard Kossmehl, Matthias Niemitz, Detlef Kabbeck-Kupijai | 1989-10-10 |
| 4846065 | Printing image carrier with ceramic surface | Otto Mayrhofer, Reinhard Plaschka | 1989-07-11 |
| 4833990 | Printing press for modifying hydrophobic and hydrophilic areas of a printing image carrier | Alfred Hirt | 1989-05-30 |