WG

William J. Granchi

ES Essef: 1 patents #17 of 36Top 50%
Overall (All Time): #3,961,156 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4778369 Apparatus for changing vertical-axis extrusion dies Charles P. Chirdon 1988-10-18