73165291
Apr 6, 1978
Dec 4, 1979
PORTABLE AND FIXED ELECTRIC RADIANT HEATING PANELS FOR PRIMARY AND SUPPLEMENTAL HEAT IN COMMERCIAL OR RESIDENTIAL ENVIRONMENTS WITHOUT PROPORTIONING DEVICES OF THE SOLID STATE TYPE FOR CONTROLLING THE HEATING PANELS, PORTABLE AND FIXED ELECTRIC RADIANT HEATING PANELS FOR PRIMARY AND SUPPLEMENTAL HEAT IN COMMERCIAL OR RESIDENTIAL ENVIRONMENTS SOLD AS A UNIT WITH ELECTRONIC PROPORTIONING DEVICES OF THE SOLID STATE TYPE FOR CONTROLLING THE HEATING PANELS
Environmental Control Apparatus