Mark Identification

SONIC NOZZLE PROVER

Serial Number

74276510

Filing Date

May 18, 1992

Registration Date

Apr 11, 1995

Trademark by

ENERGY ECONOMICS INC.

Classification Information

computer hardware and software for testing and calibrating natural gas meters

Electrical and Scientific Apparatus

maintenance and repair of computer hardware for testing and calibrating natural gas meters

Building Construction and Repair

custom design of computer software

Computer and Scientific