NH

Norman Hodgkinson

CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
Overall (All Time): #4,111,340 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4201676 Method of heat treating a material Arthur A. Randell 1980-05-06