U.S. federal trademark · Serial No. 85677798
Horizontal directional drilling system comprised of inner and outer rotors controlled by an independent hydraulic motor with a variable magnetic hammerwith rotor assemblies containing carbon fiber plates and/or earth magnets which power a variable frequency magnetic hammer for utility, construction or agricultural use and not intended for use with oil or gas drilling applications
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.