Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605407 | Thermally convertible lithographic printing precursor | Yisong Yu, John Emans, Keith Christall | 2003-08-12 |
| 6589710 | Method for obtaining a lithographic printing surface | Keith Christall, John Emans, Yisong Yu | 2003-07-08 |
| 6503691 | Polymer system with switchable physical properties and its use in direct exposure printing plates | Jon A. Bjork, David A. Morgan, Livia T. Memetea, Yisong Yu | 2003-01-07 |