Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324817 | Process for making carbonless copying paper | Manfred Dahm, Gert Jabs | 1982-04-13 |
| 4315091 | Coatings for thermoplastics | Helmut Steinberger, Manfred Schonfelder, Hans-Heinrich Moretto | 1982-02-09 |