Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869996 | Process for preparing negative images on a positive-type tonable photosensitive element | Peter J. McCartin, Eugene L. Grubb, Robert P. Held, Howard Matrick | 1989-09-26 |
| 4451553 | Halogen finishing of flexographic printing plates containing butadiene/acrylonitrile copolymers | Michael G. Fickes | 1984-05-29 |
| 4400460 | Process for surface treatment of flexographic printing plates containing butadiene/acrylonitrile copolymers | Michael G. Fickes | 1983-08-23 |