RF

Richard E. Freis

DC Diamond Shamrock Chemicals: 2 patents #15 of 64Top 25%
EL Economics Laboratory: 1 patents #21 of 48Top 45%
📍 Bloomington, MN: #410 of 1,157 inventorsTop 40%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,669,982 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4810328 Method of brown stock washing James E. Maloney, Thomas R. Oakes 1989-03-07
4643800 Methods of decontaminating secondary fiber James Maloney, Thomas R. Oakes 1987-02-17
4518459 Methods of deinking secondary fibers James E. Maloney, Thomas R. Oakes 1985-05-21