DH

Doyle D. Hickok

📍 London, TX: #1 of 6 inventorsTop 20%
Overall (1989): #119,549 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4848404 Hydraulic valve — 1989-07-18