U.S. federal trademark · Serial No. 73543162 · Reg. No. 319575
AUTOMATED HF RADIO TELEPHONE SYSTEM FOR VOICE AND DATA COMMUNICATIONS, SAID SYSTEM CONSISTING OF REMOTELY CONTROLLABLE HF RADIOS, ANTENNAS SUITABLE FOR WIDEBAND OR MULTI-FREQUENCY OPERATIONS, INTERFACE FOR SWITCHED TELEPHONE NETWORKS, AND SYSTEM CONTROLLER FOR FINDING OPTIMAL RADIO FREQUENCIES
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