RH

Robert Hallerstrom

📍 Osage, MN: #5 of 5 inventorsTop 100%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,816,480 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5183299 Insulated pipe with end protection Kirby Durgin, Wesley Benjamin 1993-02-02