U.S. federal trademark · Serial No. 75586207 · Reg. No. 2298209
MONOGRAPHS, SERIES OF BOOKS, AND PAMPHLETS, AND PRINTED MATERIALS COMPILED IN LOOSE-LEAF AND BOUND VOLUME FORMAT, ALL DEALING WITH PLUMBING STANDARDS DIRECTED TO GOVERNMENT OFFICIALS, ARCHITECTS, ENGINEERS AND OTHERS CONCERNED WITH PLUMBING STANDARDS
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