JL

John R. Laughlin

TO Tocco: 2 patents #10 of 26Top 40%
PI Park-Ohio Industries: 1 patents #17 of 33Top 55%
Overall (All Time): #1,672,703 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4728761 Method and apparatus for hardening axially spaced cams on a camshaft George M. Mucha, William Z. Nelson, Robert C. Johnson 1988-03-01
4604510 Method and apparatus for heat treating camshafts George M. Mucha 1986-08-05
4184798 Workpiece rotating and feeding apparatus 1980-01-22