Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4985779 | Improved method and apparatus for generating halftone images | — | 1991-01-15 |
| 4700235 | Method and apparatus for producing half-tone printing forms with rotated screens on the basis of randomly selected screen threshold values | — | 1987-10-13 |
| 4533942 | Method and apparatus for reproducing an image which has a coarser resolution than utilized in scanning of the image | Peter Weselmann | 1985-08-06 |
| 4499489 | Production of screen printing blocks | Klaus Wellendorf | 1985-02-12 |