U.S. federal trademark · Serial No. 87179125 · Reg. No. 5294308
Machine shop services, namely manufacturing, to the specification of others, down-hole drilling parts made of various metals
Metal drill pipes, and metal down-hole drilling hardware in the nature of double-end swivels and plugs, pipe collars, oil-well casings, rollers, reinforcing pins, bit baskets, and suction cups
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.