Mark Identification

CELLKEEPER

Serial Number

75104629

Filing Date

May 15, 1996

Trademark by

SIGNAL SCIENCE INC.

Classification Information

computer software, computer database software, and computer system, comprising, computer chassis, digital signal processing board, radio freqency receiver, digital tuner, and network interface for measuring, processing, and displaying signals in the cellular band for monitoring the quality of the cellular network

Electrical and Scientific Apparatus