DS

Duane L. Salmonson

EL Economics Laboratory: 2 patents #7 of 48Top 15%
📍 Cottage Grove, MN: #149 of 362 inventorsTop 45%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,667,889 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D308072 Printer 1990-05-22
4509402 Magnetic reversing mechanism 1985-04-09
4426362 Solid block detergent dispenser James L. Copeland, Peter J. Fernholz, Spencer B. Larson, Michael D. Weick 1984-01-17