U.S. federal trademark · Serial No. 79099621 · Reg. No. 4085975
Oil field equipment, namely, down hole drilling and repair machines for delivering an impact load in a petroleum well; jarring device, namely, jarring machines for use in oil wells; hydraulic jars; bumper subs
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.