WJ

William D. Butler, Jr.

📍 Powell, OH: #293 of 479 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,001,219 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4609330 Modular unloading sequencing switching valve assembly for hydraulic system Daniel T. Fahey, Jack Kauffman 1986-09-02