90295993
Nov 3, 2020
Apr 5, 2022
Active Trademark
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
Building Construction and Repaircustom manufacture of downhole drilling tools and of subassemblies for use in connection with drilling tools
Treatment of Materials