DS

Douglass W. Steiger

📍 Red Lake Falls, MN: #2 of 6 inventorsTop 35%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,160,137 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D548062 Basket hanger 2007-08-07
4286651 Geothermal heating system and method of installing the same Edward J. Kees 1981-09-01