RA

Robert G. Asperger

PE Petrolite: 2 patents #2 of 22Top 10%
🗺 Michigan: #263 of 3,452 inventorsTop 8%
Overall (1989): #17,496 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4864075 Dithiocarbamates for treating hydrocarbon recovery operations and industrial waters Neil E. S. Thompson 1989-09-05
4826625 Methods for treating hydrocarbon recovery operations and industrial waters Neil E. S. Thompson 1989-05-02