Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947746 | Print control strip | Willi Jeschke | 1990-08-14 |
| 4881181 | Process for the determination of controlled variables for the inking unit of printing presses | Willi Jeschke | 1989-11-14 |
| 4785193 | Process and apparatus for determination of dimensions of an elongated test object | Hans-Ulrich Dassler, Rudiger Haas | 1988-11-15 |
| 4681455 | Method of determining the area coverage of a printed original or printing plate for printing presses | Willi Jeschke, Helmut Kipphan | 1987-07-21 |
| 4637728 | Method for colorimetrically evaluating a sheet printed on both sides thereof | Helmut Kipphan | 1987-01-20 |
| 4606633 | Test method for evaluating faults on printed sheets and webs and apparatus for performing the method | Willi Jeschke | 1986-08-19 |
| 4505589 | Process and apparatus for the colorimetric analysis of printed material | Hans Ott, Rolf Boegli, Ulrich Birch, Helmut Kipphan | 1985-03-19 |
| 4469025 | Device for film-mounting print control strips at a precise level and in registry | Franz Arendt | 1984-09-04 |
| 4448533 | Apparatus for ensuring the quality of printed products | Willi Jeschke, Hugo Rambausek, Rudolf-Karl Uhrig | 1984-05-15 |