U.S. federal trademark · Serial No. 76352085 · Reg. No. 260
Drilling of wells for the extraction of oil and gas; engineering services connected with the drilling of wells for the extraction of oil and gas
Articles of metal for use in the drilling of oil and gas wells; namely well heads, riser pipes, Christmas trees being parts of oil or gas wells, subsea manifolds, and parts and fittings therefor
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