JS

James O. Schefers

📍 Foley, MN: #7 of 14 inventorsTop 50%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,898,777 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 Herbert F. Schefers 1990-03-27