DB

Dennis H. Burkholder

📍 Rolla, ND: #1 of 6 inventorsTop 20%
🗺 North Dakota: #1,185 of 2,395 inventorsTop 50%
Overall (All Time): #3,984,625 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4703562 Pendulum design machine Douglas M. Bonsness 1987-11-03