EASTMAN CHRISTENSEN
MACHINES FOR DRILLING, BORING, REAMING, CUTTING, SAWING, AND CHISELING, AND BITS AND BLADES USED THEREFOR, PARTS THEREOF, AND FITTINGS THEREFOR, NAMELY, WASHOVER SHOES, CORE EJECTORS, CORE BARRELS, INNER TUBES, JUNK BASKETS, MUD SCREENS, SAFETY JOINTS, AND SHOCK ABSORBERS; MOTORS, STABILIZERS, DRILL COLLARS, JARS, ALL FOR USE IN WELL AND MINING DRILLING, EXPLOITATION AND MAINTENANCE; MACHINES USED FOR MAKE-UP AND BREAK-OUT OF CONNECTIONS, HYDRAULIC VICES, METAL THREAD WORKING UNITS, AND TOOL ...
Cancelled · November 6, 1986 · 73628995 ·