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Marvin A. Brown

TC The F.B. Leopold Company: 1 patents #1 of 3Top 35%
📍 Dorpsstraat, PA: #5 of 30 inventorsTop 20%
🗺 Pennsylvania: #989 of 4,367 inventorsTop 25%
Overall (1997): #111,635 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5639384 Apparatus and method for improving gas backwash in lateral underdrains Eugen O. Bergmann, Richard Hsieh 1997-06-17