Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658713 | Concentrated dampening solution with citrate anions for printing with a lithographic printing plate obtained according to the silver salt diffusion transfer process | Paul Mortelmans | 1997-08-19 |
| 5635318 | Method for making a lithographic printing plate with frequency modulated halftone dots | — | 1997-06-03 |
| 5635321 | Method for preparing a lithographic printing plate | Jacobus Bosschaerts | 1997-06-03 |
| 5618651 | Imaging element with a flexible support and method for making a lithographic printing plate | Marc P. Stevens, Jos Vaes | 1997-04-08 |
| 5616445 | Method for obtaining a lithographic plate | Henry A. Kelley, Jos Vaes | 1997-04-01 |