RH

Roland C. Hedin

3M: 1 patents #7,233 of 11,543Top 65%
📍 Mahtomedi, MN: #170 of 255 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,104,508 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4184184 Cartridge with improved access door closing means Lawrence R. Whitaker, Jr. 1980-01-15