Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4427761 | Process for surface improvement of surprint proof with transparentized particulate material | — | 1984-01-24 |
| 4334009 | Process for modifying tacky surfaces | Robert B. Heiart | 1982-06-08 |