Mark Identification

TOLLGRADE

Serial Number

74507225

Filing Date

Mar 31, 1994

Registration Date

Sep 19, 1995

Trademark by

TOLLGRADE COMMUNICATIONS INC.

Classification Information

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

Electrical and Scientific Apparatus