U.S. federal trademark · Serial No. 87630479 · Reg. No. 5490554
Oil field and oil well apparatus, namely, pressure control equipment in the nature of blowout preventers
Oil field and oil well apparatus, namely, flanged crosses, studded crosses, double studded adapters, companion flanges, spiders, flanged adapter spools, flanged drilling spools, flanged tees, studded tees, check valves and hydraulic valves
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.