Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6842268 | Printing of digital color images with locally adjusted half-toning | Ronald Fabel | 2005-01-11 |
| 6222640 | Copying apparatus having adjustable gradation | Jacobus H. M. Peulen, Petrus A. M. Cornelissen, Cornelis A. W. Ophelders | 2001-04-24 |
| 5155598 | Method and apparatus for processing and reproducing images | Reinier Jan Ramekers, Ronald Castermans | 1992-10-13 |