JS

Jerry W. Scherfenberg

DA Dynamic Air: 1 patents #1 of 3Top 35%
📍 Excelsior, MN: #5 of 16 inventorsTop 35%
🗺 Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #97,338 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4836499 Butterfly valves James R. Steele 1989-06-06