72302208
Jul 8, 1968
Sep 30, 1969
Active Trademark
WELL TOOLS AND EQUIPMENT-NAMELY, POWER SLIPS, MANUALLY ACTUATED SLIPS, SLIP INSERTS, KELLY SPINNERS OR POWER SUBS, KELLY BUSHINGS, MASTER BUSHINGS, GIMBAL-TYPE BUSHINGS, CASING BUSHINGS, TONG DIES, SAFETY CLAMPS, CASING SPIDERS, AND FLUID DRIVEN MOTORS
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