JN

Jack D. Nelmark

BW Becor Western: 1 patents #6 of 11Top 55%
Overall (All Time): #3,997,245 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4595066 Apparatus for handling drill pipes James A. Stanke 1986-06-17