U.S. federal trademark · Serial No. 77600935 · Reg. No. 3733329
Mining services, namely, tunneling, shaft sinking, and production of mines; construction services in the field of mining, namely, construction of mine shafts and mine surface equipment, namely, buildings, shaft collars, culverts, and caissons; general construction contracting services for use in the field of mining; consulting services in the field of mining
Engineering services and surveying services in the field of mining
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