U.S. federal trademark · Serial No. 85982730 · Reg. No. 4657081
Drilling of wells; oil-well and gas-well maintenance and reparation; pipeline maintenance, installation and repair services for oil and gas recovery tools; consultancy in the field of oil-field and gas-field maintenance
[ Oil and gas recovery services; technical research in the field of oil-field and gas-field exploitation; engineering in the field of oil-field and gas-field exploitation ]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.