DH

Donald R. Hurdle

📍 Oostburg, WI: #11 of 38 inventorsTop 30%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #2,263,367 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5795120 Reduced-friction thread forming or thread cutting screw — 1998-08-18
5385439 Radial extrusion thread-forming screw — 1995-01-31