U.S. federal trademark · Serial No. 90010951 · Reg. No. 6523146
Printed publications, namely, brochures, booklets, and teaching materials in the field of math; Educational publications, namely, educational learning cards, flash cards, activity cards, workbooks, textbooks, activity books, story books, puzzle books, printed puzzles, teacher guides, manuals, posters and educational booklets in the field of math
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