Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339530 | Developer mixture for developing exposed light-sensistive copying layers | Gerhard Sprintschnik, Rudolf Neubauer | 1982-07-13 |
| 4311782 | Radiation-sensitive mixture and process for the production of relief images | Hans Ruckert | 1982-01-19 |