RK

Roy J. Krahn

3M: 1 patents #132 of 563Top 25%
📍 Mahtomedi, MN: #3 of 11 inventorsTop 30%
🗺 Minnesota: #407 of 2,022 inventorsTop 25%
Overall (1989): #62,534 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4850538 Adjustable nozzle — 1989-07-25