Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9578205 | Method and system for forming a halftone screen | Andrew McKenzie Fraser | 2017-02-21 |
| 9208418 | Method and system for forming a halftone screen | Andrew McKenzie Fraser | 2015-12-08 |
| RE41604 | Halftone patterns | — | 2010-08-31 |
| 7268920 | Halftone patterns | — | 2007-09-11 |
| 6072592 | Method and apparatus for preparing color screens in a halftone image | — | 2000-06-06 |
| 5680222 | Method and apparatus for preparing color screens in a halftone image | — | 1997-10-21 |