U.S. federal trademark · Serial No. 86760120 · Reg. No. 5311967
Analysis and evaluation of oil, gas, water, mining, geothermal drilling performance, including optimization of drilling parameters and post drilling analysis
Electric or electronic sensors for well drilling
Drill bits and parts therefore, for earth formation drilling
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.