Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495301 | Toner coated with conductive polymer | Ronald Michael Josef Hofstra, Peter Maria Cornelis Zeelen, Huibert Cornelis Kwint | 2002-12-17 |
| 6235442 | Colored, magnetically attractable powder containing fluorescent dye | Marcella Coppenrath | 2001-05-22 |