Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423472 | Aqueous developable photosensitive polyurethane-methacrylate | Ronald J. Kumpfmiller | 2002-07-23 |
| 6066436 | Aqueous developable photosensitive polyurethane-methacrylate | Ronald J. Kumpfmiller | 2000-05-23 |
| 5976765 | Solid-capped liquid photopolymer printing elements | Ronald J. Kumpfmiller, Jung-Hsien Tsao, William Krebs Goss, Michael Wen-Chein Yang | 1999-11-02 |