RP

Robert Piller

PO Polychrome: 2 patents #14 of 34Top 45%
Overall (All Time): #2,361,934 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4379830 Developer for positive photolithographic articles Albert S. Deutsch, Christopher F. Lyons 1983-04-12
4299907 Storage stable photosensitive diazo lithographic printing plates Stephen E. Burkle, Albert S. Deutsch 1981-11-10