U.S. federal trademark · Serial No. 76170413 · Reg. No. 2568415
MULTI-SERVICE INTERNET PROTOCOL ( IP) TO ACCESS CONCENTRATORS BUILT OUT OF COMPUTER HARDWARE AND SOFTWARE TO PROVIDE VOICE AND DATA SERVICES VIA INTERNET PROTOCOL (IP) OVER SYNCHRONOUS DIGITAL HIERARCHY (SDH), SYNCHRONOUS OPTICAL NETWORK (SONET) AND GIGABIT ETHERNET (GBETH)
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