U.S. federal trademark · Serial No. 77166738 · Reg. No. 3931275
EARTH DRILLING SERVICES FOR OTHERS; EXPLORATORY EARTH DRILLING FOR OTHERS
Earth drilling tools and equipment, namely, drills for earth and rock formations, diamond core drills, earth and rock drilling units; drill rigs; earth drilling recovery tools and equipment, namely, recovery taps and tools to assist in retrieving broken rods
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