U.S. federal trademark · Serial No. 75338664 · Reg. No. 2448579
HIGH QUALITY AIR FLOW AND TEMPERATURE CONTROL SYSTEMS COMPRISED OF FLOW INDUCED ELECTRONIC DIFFERENTIAL PRESSURE TRANSDUCERS AND SENSORS, ANALOG ELECTRONIC SIGNAL CONDITIONING CARDS, PROPORTIONAL/INTEGRAL ANALOG ELECTRONIC CONTROLLERS, AND ANALOG ELECTRONIC VALVE POSITIONING EQUIPMENT ALONG WITH AN AUTOMATIC FUME HOOD SASH POSITIONING SYSTEM, SOLD AS A UNIT FOR USE IN LABORATORIES AND OTHER PRECISION AIR FLOW AND CONTROL APPLICATIONS
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