U.S. federal trademark · Serial No. 74336085 · Reg. No. 1792448
data communications equipment; namely, multiplexers capable of multiplexing and switching a range of voice, data and image digital information from one network node to another in a wide area communications network, controlling, monitoring for fault and diagnosing network nodes located at any point in a communications network, and, using both private protocols and established standards to communicate with other nodes in a communications network, and operating manuals therefor
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