Mark Identification

DERIVED CHANNEL MULTIPLEX

Serial Number

74437689

Filing Date

Sep 20, 1993

Registration Date

Jun 18, 1996

Trademark by

VERSUS TECHNOLOGY INC.

Classification Information

apparatus for telephone-based data transport networks; namely, electronic signalling, receiving and verification units supplementing the conventional telephone system and adapted to provide additional functions beyond conventional telephone voice communication, namely remote surveillance of telephone subscriber premises and of equipment located on such premises and reading of gas, electric, and water meters

Electrical and Scientific Apparatus