73067114
Oct 28, 1975
Oct 5, 1976
Active Trademark
HEAT EXCHANGERS FOR INDUSTRIAL AND NON-INDUSTRIAL USE, COMPRISING CONVECTORS AND CONVECTION SECTIONS, FUEL ECONOMIZERS, EXTENDED SURFACE HEAT EXCHANGER COILS, HOLD-OVER TRUCK PLATES, DOMESTIC, COMMERCIAL AND INDUSTRIAL SOLAR ABSORBENT PANELS, AND OTHER RELATED VAPOR-TO-LIQUID OR LIQUID-TO-LIQUID HEAT TRANSFER APPLICATIONS
Environmental Control Apparatus