Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438332 | Method and apparatus for toner cake delivery | Weizhong Zhao | 2002-08-20 |
| 6349190 | Low cost process multicolor image reproduction machine | Weizhong Zhao | 2002-02-19 |
| 6341208 | Absorbent coating for contact transfer of liquid toner images | Weizhong Zhao | 2002-01-22 |