GP

Gary R. Purdy

📍 Hamilton, CA: #475 of 942 inventorsTop 55%
Overall (All Time): #4,121,714 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4227924 Process for the production of vermicular cast iron Sundaresa V. Subramanian, Debabrata Ghosh, John M. Gray, David A. Kay 1980-10-14