Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5561013 | Magenta toner and imaging processes | Katherine N. O'Brien, Donald Riley, Charles D. Zimmer, Mark Ballou, Jane M. Kanehl +3 more | 1996-10-01 |
| 5536608 | Imaging processes using cyan and black toners | Katherine N. O'Brien, Mark Ballou, Charles D. Zimmer, Jane M. Kanehl, Sandra J. Hutkowski +3 more | 1996-07-16 |