Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6060537 | Water based ink jet printing ink | George B. Due, Michael E. OBrien | 2000-05-09 |
| 5444472 | Method of and an apparatus for using an ink concentrate in an ink jet printing arrangement | George B. Due, Anthony P. Pino, Michael E. OBrien, Thomas Pope | 1995-08-22 |