THE HEATING COMPARISON-CONVERSION BLUE BOOK GUIDE SERVICE
○ Dead · ExpiredU.S. federal trademark · Serial No. 72382942 · Reg. No. 0936337
Mark
THE HEATING COMPARISON-CONVERSION BLUE BOOK GUIDE SERVICE
Filing Date
February 4, 1971
Registration Date
June 20, 1972
Goods & Services
PERIODICAL PUBLICATION CONTAINING CONVERSION AND COMPARISON CHARTS FOR PRODUCTS OF VARIOUS MANUFACTURERS OF THE HEATING TRADE
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