74599849
Nov 10, 1994
down hole tools, and down hole tool components, manufactured by applicant for use in down hole oil and gas well bores for the drilling, completion and production of hydrocarbons, the down hole tools including mandrels, bailers, fishing tools, bottom hole pressure tools, spears, centralizers, plugs, subs, gas lift tools, gas lift valves, jars, kick over tools, overshots, packers, pulling tools, releasing tools, rope sockets, running tools, shifting tools, wire finders, and wire cutters
Electrical and Scientific Apparatus