JL

James A. F. Litherland

📍 Royal Sutton Coldfield, GB: #71 of 150 inventorsTop 50%
Overall (All Time): #4,025,841 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4557488 Hydraulic seal with pressure-actuated ridges 1985-12-10