U.S. federal trademark · Serial No. 85316165 · Reg. No. 4564498
Metal drill pipe and drill pipe collars fitted with transducers and coaxial cable for data transmission for use in a downhole component string for oil, gas and geothermal well production and drilling, and other subterranean excavations
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.