Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531184 | Process for coating on printing cylinders | Michael Zwilling | 2003-03-11 |
| 6168899 | Multiple color proof temporary supports, photopolymerizable materials and pigmented transfer materials | Mario Grossa, Manfred Sondergeld, Karl-Heinz Wiedenmann, Ronald J. Convers, Steven Max Kalo +1 more | 2001-01-02 |
| 5587272 | Process for preparing multiple color proofs | Mario Grossa, Manfred Sondergeld, Karl-Heinz Wiedenmann, Ronald J. Convers, Steven Max Kalo +1 more | 1996-12-24 |