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Randall Ferrain Weaver
McAlester, OK
US
1 patent
2 Patents
US11608702
2023
Variable Blowout Preventer Apparatus and Method
National Oilwell Varco, L.P.
0 cites
US11603730
2023
Blowout Preventer Testing Apparatus and Method
National Oilwell Varco, L.P.
0 cites