HS

Herbert F. Schefers

📍 Pierz, MN: #3 of 11 inventorsTop 30%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,898,778 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4910906 Method and apparatus for maintaining an opening in outdoor ice James O. Schefers 1990-03-27