U.S. federal trademark · Serial No. 73358552 · Reg. No. 506
[ Consultation and Technical Services Relating to Oil Well Operations ]
Electrically Operated Oil Well Logging Units
Oil Drilling Hardware-Namely, Casings and Casing Connectors Made Primarily of Metal
Parts for Oil Drilling Machines-Namely, Drill Strings, Drill Pipes and Tubing, Logging Tools, Sinker Bars, and Connectors Therefor
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.