DS

David D. Schumacher

FH Fsi Holdings: 1 patents #2 of 7Top 30%
📍 Plymouth, MN: #13 of 53 inventorsTop 25%
🗺 Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #121,766 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4801335 Rinsing in acid processing of substrates Don C. Burkman, Charlie A. Peterson 1989-01-31