U.S. federal trademark · Serial No. 73205473 · Reg. No. 1148788
HEAT SENSITIVE SOLID STATE CONTROLLERS FOR AUTOMATICALLY VARYING THE SPEED OF VARIABLE SPEED FANS WITHIN PRESCRIBED TEMPERATURE RANGES TO MEET VARYING VENTILATION REQUIREMENTS TO CONSERVE ENERGY.
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.