Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869997 | Coating plate cylinders or sleeves with a continuous photosensitive recording layer | Horst Koch, Klaus Jaeckel | 1989-09-26 |
| 4845013 | Aftertreatment of relief plates using solution comprising a carboxylic acid and a bromide | — | 1989-07-04 |