Douglas D. Piepgras

📍 Mahnomen, MN: #2 of 5 inventorsTop 40%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #3,297,473 of 4,157,543Top 80%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7766270	Transportable blanket roller	—	2010-08-03