RG

Robert Gumbinner

Overall (All Time): #2,325,052 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4942421 Method of preventing bending of lithographic printing plates 1990-07-17
4777109 RF plasma treated photosensitive lithographic printing plates Gregory Halpern 1988-10-11