DB

Donald H. Bierdeman

📍 Fargo, ND: #6 of 16 inventorsTop 40%
🗺 North Dakota: #11 of 92 inventorsTop 15%
Overall (1989): #138,273 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

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