U.S. federal trademark · Serial No. 86094313 · Reg. No. 4839188
A house mark for diagnostic tools used to measure building performance, namely, motor driven fans and blowers and fan mounting structures used to measure air leakage rates in ducts and structures having air passages, pressure reading instruments, pressure and flow gauges, air flow meters, computer software and airtightness testing simulators for use in measuring air leakage within buildings and duct systems in order to determine energy efficiency *, all of the foregoing not for sale in retail establishments *
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