Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348834 | Water developable, negative working overlay color proofing system utilizing water soluble polymeric diazonium compound; water insoluble, water swellable binder resin; and a colorant | — | 1994-09-20 |