About 23 Trademarks found that are owned by Tollgrade Communications Inc.

DIGITAL TEST

telecommunications line equipment, namely channel banks which interface with digital communications networks in connection with the transmission of data signals

FOUR TELECOMMUNICATIONS

telecommunications line equipment, namely channel units which plug-in to emulate cable and which convert, link and/or transport signals over digital carriers from various types of circuit [ of ] * TO * channel banks or loop carrier systems

telecommunications line equipment, namely channel units which plug-in to emulate cable and which convert, link and/or transport signals over digital carriers from various types of circuit to channel banks or loop carrier systems

communications networks tester, namely, a measurement unit for measuring analog and digital signals of copper facilities and for testing of Internet and asynchronous transfer mode protocols used in packet based networks

Computer software for testing or qualifying high speed lines in a communications network

training in the use of telecommunications and cable television products

TOLL GRADE

House mark for electronic products in the telecommunications and cable television industries

Communications networks tester, namely, a measurement unit for measuring analog and digital signals of copper facilities and for testing of Internet and asynchronous transfer mode protocols used in packet based networks