DB

Donald H. Bierdeman

📍 Fargo, ND: #378 of 650 inventorsTop 60%
🗺 North Dakota: #1,185 of 2,395 inventorsTop 50%
Overall (All Time): #3,943,732 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4887823 Drag reducing apparatus Thomas D. Hallett 1989-12-19