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Fred R. Foreman

NI Nl Industries: 2 patents #47 of 213Top 25%
Overall (All Time): #2,344,376 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4688764 Crown block compensator Douglas W. J. Nayler, Willard D. Childs 1987-08-25
4620692 Crown block compensator Douglas W. J. Nayler 1986-11-04