RH

Roy E. Hegler

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Forest Lake, MN: #197 of 310 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,057,822 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4404844 Leak detecting method — 1983-09-20