U.S. federal trademark · Serial No. 79353900 · Reg. No. 7403997
Unwrought and partly wrought common metals and their alloys; ingots, billets, bars, sheets, coils and strips of common metal; forged metal articles and machined metal articles being semi-finished products of common metals; collars, rings, rolls, tubes, flanges, blanks and mandrels not for use with machines of common metals and common metal alloys for industrial use; parts and fittings for the aforesaid goods
Oil and gas drilling apparatus in the nature of machine parts, namely, mandrels; parts of machines, namely, drill collars, integral blade stabilisers, stabiliser mandrels, measurement-while-drilling housings, logging-while-drilling housings, non magnetic drill collars, integral blade non magnetic stabilisers, non magnetic stabiliser mandrels, non magnetic flex collars; parts and fittings for all the aforesaid goods
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