77033476
Oct 31, 2006
May 27, 2008
Electric control devices for heating and energy management; Electric valve actuators; Electromechanical controls for use in air flow management, fluid flow management, and life/safety dampers; Remote controls for electromechanical air flow management device systems
Electrical and Scientific ApparatusCentral air-conditioning installations; Ventilating louvers; Ventilators for air flow management
Environmental Control Apparatus