Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330875 | Process for producing negative and positive original images on a bilevel printing plate utilizing non-silver halide layer and silver halide overlayer | Robert W. Hallman, Suck-Ju Hong, Ken-ichi Shimazu, Burton H. Waxman | 1994-07-19 |