RK

Roy J. Krahn

3M: 1 patents #7,233 of 11,543Top 65%
📍 Mahtomedi, MN: #135 of 255 inventorsTop 55%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,324,036 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4928859 Quick disconnect for aerosol spray can Brian J. Blenkush 1990-05-29
4850538 Adjustable nozzle — 1989-07-25