Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566952 | Two-stage process for the production of anodically oxidized aluminum planar materials and use of these materials in manufacturing offset-printing plates | Gerhard Sprintschnik, Joachim Stroszynski | 1986-01-28 |