Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5060388 | Measuring strip | — | 1991-10-29 |
| 5010398 | Method for colour correction by dry dot etching using photographically produced mask | Paul W. Vinck, Andreas von Erdmannsdorff | 1991-04-23 |
| 4997733 | Process for the production of photographic masks | Louis N. Carleer, Rudy F. Soetens | 1991-03-05 |
| 4635133 | Photographic method for the production of documents | Leon L. Vermeulen | 1987-01-06 |