JL

John M. H. Leighton

📍 Thirsk, GB: #7 of 11 inventorsTop 65%
Overall (All Time): #3,999,918 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4604831 Reduction of draughts through sliding sash windows Robert W. Tunnicliffe 1986-08-12