Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4282308 | Negative-working multilayer photosensitive element | Roxy N. Fan | 1981-08-04 |
| 4247619 | Negative-working multilayer photosensitive tonable element | Roxy N. Fan | 1981-01-27 |
| 4229517 | Dot-etchable photopolymerizable elements | Martin D. Bratt | 1980-10-21 |
| 4229520 | Photo-polymerization and development process which produces dot-etchable material | Martin D. Bratt | 1980-10-21 |
| 4193797 | Method for making photoresists | Robert B. Heiart | 1980-03-18 |
| 4191572 | Process for image reproduction using multilayer photosensitive element with solvent-soluble layer | Roxy Ni Fan | 1980-03-04 |