TOLLGRADE
USPTO Trademark Record · Serial No. 74507608
Trademark details
It was initially claimed by TOLLGRADE COMMUNICATIONS, INC. on 19940331.
That brand applies to the following goods and services: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.
Currently that trademark is represented by trademark attorney(s): Richard L. Byrne, Registration No. 28,498.
You can learn more about that trademark on the USPTO website: View the USPTO record
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