U.S. federal trademark · Serial No. 86655981 · Reg. No. 4926336
geotechnical and structural instrumentation for monitoring the safety and stability of and civil and mining structures, including earth dams, concrete dams, tunnels, mine openings, foundations, piles, embankments, retaining walls, slopes, subway systems, underground powerhouses, bridges, culverts, pipelines, shafts, slurry wall excavations, braced excavations, tiebacks, nuclear waste repositories, ground water remediation schemes, wind turbines, landfills, and the like
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