CF

Charles C. Fifield

HE Hercules: 3 patents #139 of 715Top 20%
Overall (All Time): #1,649,572 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5381735 Process for printing using a photopolymeric mold made from photopolymerizable compositions with improved release properties 1995-01-17
5341799 Urethane polymers for printing plate compositions Rudolph L. Pohl, Wako Yokoyama 1994-08-30
4686171 Photopolymerizable films containing plasticizer silica combinations Richard T. Mayes, Marilyn Tate, Daniel F. Varnell 1987-08-11