JC

John E. Campbell

SI Smith International: 2 patents #21 of 102Top 25%
Overall (2016): #130,726 of 481,213Top 30%
2
Patents 2016

Issued Patents 2016

Patent #TitleCo-InventorsDate
9512680 Coring bit to whipstock systems and methods Shantanu N. Swadi, Charles H. Dewey, Robert Utter, Praful C. Desai 2016-12-06
9228406 Extended whipstock and mill assembly Shantanu N. Swadi, Shelton W. Alsup 2016-01-05