U.S. federal trademark · Serial No. 73544963 · Reg. No. 1379006
DIGITAL TRANSMISSION AND NETWORKING EQUIPMENT, NAMELY DIGITAL DIAGNOSTICS TESTERS, BIT ERROR RATE TEST SETS, DIGITAL LEVEL CONTROLS, DIGITAL DATA, ENCRYPTORS, NETWORKING ACCESSORS AND INTERFACES, TRANSCODERS AND DIGITAL MULTIPLEXORS, ALL FOR USE WITH DATA VOICE COMMUNICATION
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