Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357414 | Laminate useful for the production of printing plates and relief plates | Heinrich Hartmann, Gerhard Hoffmann | 1982-11-02 |
| 4355093 | Laminate useful for the production of printing plates and relief plates | Heinrich Hartmann, Gerhard Hoffmann, John Lynch, Herbert Naarmann | 1982-10-19 |
| 4334034 | Process for the preparation of polymerizable polyurethane elastomers | August Lehner, Heinrich Hartmann, Guenter Heil, Ingolf Buethe, Rudolf Bachmann | 1982-06-08 |