Douglas W. Delvo

📍 Beulah, ND: #3 of 7 inventorsTop 45%

🗺 North Dakota: #1,185 of 2,395 inventorsTop 50%

Overall (All Time): #3,370,268 of 4,157,543Top 85%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7451832	Weed remover tool attachment	—	2008-11-18