Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357414 | Laminate useful for the production of printing plates and relief plates | Heinrich Hartmann, Werner Lenz | 1982-11-02 |
| 4355093 | Laminate useful for the production of printing plates and relief plates | Heinrich Hartmann, Werner Lenz, John Lynch, Herbert Naarmann | 1982-10-19 |