JC

James Graham Campbell

NP Northern Engineering Industries Plc: 1 patents #1 of 6Top 20%
📍 Derby, NV: #1 of 1 inventorsTop 100%
Overall (1982): #56,757 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4320568 Method of expanding tubular members Clive A. Herrod 1982-03-23