RC

Robert F. Coles

3M: 2 patents #5,326 of 11,543Top 50%
Overall (All Time): #2,353,145 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4515955 Isoindoline cationic dyes 1985-05-07
4472497 White light handleable photographic materials Jonathan P. Kitchin 1984-09-18