Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5561013 | Magenta toner and imaging processes | Katherine N. O'Brien, Janet L. Castano, Donald Riley, Charles D. Zimmer, Mark Ballou +3 more | 1996-10-01 |
| 5536608 | Imaging processes using cyan and black toners | Katherine N. O'Brien, Janet L. Castano, Mark Ballou, Charles D. Zimmer, Jane M. Kanehl +3 more | 1996-07-16 |
| 4569896 | Resistive single component developer composition | Steven R. Perez, Jacques C. Bertrand, Timothy W. Jacobs, George W. Vianco | 1986-02-11 |