JO

John F. O'Rourke

HY Hydril: 2 patents #45 of 135Top 35%
Overall (All Time): #2,347,500 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4580348 Method of gaging a pipe at multiple locations William L. De Boynton, Frederick C. Lee, Bruce E. Wilson 1986-04-08
4559711 Workpiece gaging apparatus William L. De Boynton, Frederick C. Lee, Bruce E. Wilson 1985-12-24