Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833982 | Printing cylinder positioning system | Oskar Liebert, Klaus Theilacker | 1989-05-30 |
| 4827842 | Rotary offset printing machine system with registration control | Klaus Theilacker | 1989-05-09 |