Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5398297 | Improved color rendering method for intensity-variable printing based upon a dithering table | Jeffery J. Clark, Brian G. Crosby, Bo Lewendal, Gregory P. Thornton, Patrick E. Welborn | 1995-03-14 |
| 5243414 | Color processing system | John C. Dalrymple, Patrick E. Welborn | 1993-09-07 |