U.S. federal trademark · Serial No. 90295993 · Reg. No. 6695325
custom manufacture of downhole drilling tools and of subassemblies for use in connection with drilling tools
maintenance, repair, and upgrading of downhole-drilling hardware tools and of subassemblies for use in connection with such drilling tools; rental of tools and equipment for downhole servicing, namely, for leaching, shaping, and finishing
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.