U.S. federal trademark · Serial No. 73517611 · Reg. No. 1357803
HIGH RESOLUTION ACOUSTIC INSTRUMENTATION, NAMELY, ANALOG SONAR ALTIMETER; HIGH POWER ACOUSTIC PINGERS AND BEACONS; SUB-BOTTOM PROFILING, BATHYMETRIC AND PIPE LINE LOCATION SYSTEM; ACOUSTIC NAVIGATION TRANSPONDER; SIDE SCAN SONAR TRANSPONDER; AND SUB-SEA ACOUSTIC RELOCATION/NAVIGATION SYSTEM
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