Mark Identification

RATE/DTECT P T

Serial Number

74549198

Filing Date

Jul 14, 1994

Registration Date

Dec 5, 1995

Trademark by

H.L. LEDEEN ASSOCIATES

Classification Information

measuring apparatus, namely apparatus for measuring pressure to detect a break or rupture in a pipeline, and apparatus for measuring fluid flow in a pipeline

Electrical and Scientific Apparatus

OPTAPHONE PLUS A PRODUCT OF CARLSON COMMUNICATIONS, INC.