DD

David A. Dornbush

AH American Harvest: 18 patents #1 of 27Top 4%
AS Alternative Prioneering Systems: 8 patents #2 of 9Top 25%
📍 Minneapolis, MN: #155 of 6,114 inventorsTop 3%
🗺 Minnesota: #2,295 of 52,454 inventorsTop 5%
Overall (All Time): #148,082 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4224743 Food dehydrating machine Chad S. Erickson 1980-09-30
4192081 Food dehydrating machine Chad S. Erickson 1980-03-11