Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491827 | Process for reducing true color in waste liquids | Michael J. Stoltz | 2002-12-10 |
| 6466317 | Automatic real time monitoring of true color in waste liquids | Michael J. Stoltz | 2002-10-15 |
| 6460991 | Vacuum drums for printing, and duplex printers | Keith P. Butler, Howard J. Manning, Michael John Dixon | 2002-10-08 |
| 6437879 | Interpolation of greyscale levels | — | 2002-08-20 |
| 6422690 | Drop on demand ink jet printing apparatus, method of ink jet printing, and method of manufacturing an ink jet printing apparatus | Robert Harvey | 2002-07-23 |
| 6402278 | Drop-on-demand multi-tone printing | — | 2002-06-11 |