U.S. federal trademark · Serial No. 78702475 · Reg. No. 3747804
Custom manufacture of drill bits and related equipment, namely, under-reamer arms and segments, hole openers and segments and roof picks, all for oil field well drilling companies
[ Directional measurement equipment for oil and gas well drilling operations for providing measurements and downhole telemetry while drilling ]
Oil field well drilling machines and parts therefor, namely, drill bits
Maintenance and repair of drill bits and related equipment, namely, under-reamer arms and segments, hole openers and segments and roof picks, all for oil field well drilling companies
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.