Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240828 | Direct reversal emulsions | Gaile A. Janusonis, Francis R. Hilton, Jr., Woodrow G. McDugle, Roger Lok, David Erdtmann | 1993-08-31 |
| 5175073 | Nucleated contact film for use in graphic arts | Anthony D. Gingello, David F. Jennings, Hermano P. Rocha | 1992-12-29 |
| 5061595 | Contact film for use in graphic arts with two overcoat layers | Anthony D. Gingello, David F. Jennings, Hermano P. Rocha | 1991-10-29 |
| 4861140 | Method of making a thin lens | Paul W. Melnychuck, Joseph J. Murray, Lawrence A. Ray, James R. Sullivan | 1989-08-29 |