Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4693958 | Lithographic plates and production process therefor | Anthony M. Schwartz, Norimichi Kawashima | 1987-09-15 |
| 4634659 | Processing-free planographic printing plate | Kunio Esumi, Anthony M. Schwartz | 1987-01-06 |