73010123
Jan 4, 1974
Oct 5, 1976
ELECTRICAL HEATING ELEMENTS FOR INDUSTRIAL, COMMERCIAL, AEROSPACE, MEDICAL, SCIENTIFIC, PERSONAL AND HOME APPLICATIONS; AND ELECTRICAL HEATING DEVICES-NAMELY, PROPELLER DEICERS, WATER BED HEATERS, RADIANT HEATING PANELS, ANGIOGRAM HEATERS, NEBULIZERS, FISH TANK HEATERS, DEFROSTER BLANKETS AND PRESS BLANKET HEATERS
Environmental Control Apparatus