Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5021324 | Printing plate protectant | Thomas J. Dooley | 1991-06-04 |
| 4363176 | Antibuckling apparatus for lithographic printing plates | William Bosshardt | 1982-12-14 |
| 4326018 | Lithographic printing plate | — | 1982-04-20 |
| 4233390 | Lithographic printing plate having dual photosensitive layering | — | 1980-11-11 |