Tollgrade Communications, Inc. Trademarks
DIGITEST

DIGITEST

Filed: May 16, 1997
apparatus for testing a telephone network, namely, a test element manager for controlling and routing electrical tests and…
Owned by: Tollgrade Communications, Inc.
Serial Number: 75292991

ICE

ICE

Communications networks tester, namely, a measurement unit for measuring analog and digital signals of copper facilities…
Owned by: Tollgrade Communications, Inc.
Serial Number: 77080696

EDGE

EDGE

Filed: March 27, 2003
communications networks tester, namely, a measurement unit for measuring analog and digital signals of copper facilities…
Owned by: Tollgrade Communications, Inc.
Serial Number: 78230591