Owner Dwyer Instruments, Inc. Cnr Indiana Route 212 & US Route 212 PO Box 373 Michigan City Indiana 46360 UNITED STATES OF AMERICA

Service Spruson & Ferguson

Various Registration of this trade mark shall give no right to the exclusive use of the words LOW PRESSURE* The preceding endorsement(s) were recorded prior to commencement of the Trade Marks Act 1995.*

Class 9 Pressure gauges, pressure switches, combination pressure switches and gauges, kits included in this class for air filter gauge service consisting of air filter gauge parts and accessories included in this class, manometers, overpressure safety traps, kits included in this class for servicing gas appliances consisting of a manometer and parts and accessories therefor included in this class, hook gauges, pivot tubes, air velocity calculators, null switches, flow meters, flow meter direct reading scales, flow meter conversion curves, metering valves, combustion test kits included in this class, smoke gauges, thermometers, carbon dioxide indicators, magnet gauge mounts, air velocity meters, air meters, air meter kits included in this class, air volume gauges, air volume gauge kits included in this class, wind speed indicators, wind meters, adjustable signal flags, gas pressure kits includedin this class, gauge carrying cases, psychrometers, slide rules, anemometers, monometer type air flow balancing apparatus, combination safeguard equipment consisting of differential pressure switches and parts and accessories therefor included in this class, parts and accessories included in this class for gauges, pressure transdusers and transmitters, electronic digital manometers, electronic thermal anemometers, electronic air and gas velocity transmitters, swing vane anemometers, flow switches, and flow indicators