NATIONAL OILWELL
[ power-operated pumps and pump equipment for use in oilfield equipment and service; namely, triplex mud pumps, duplex mud pumps, rod pumps, hydraulic reciprocating pumps, hydraulic jet pumps, sucker rods, well service pumps and plunger pumps; ] oilwell drilling machinery and parts therefor; namely, [ drawworks, torque converters, rotaries, ] swivels, traveling blocks, hook blocks, and crown blocks [ drill pipe, tubulars, pedestal cranes, jacking and drilling manifolds; power-operated oil wel...
Cancelled · May 4, 1992 · 74271962 ·