U.S. federal trademark · Serial No. 90342985 · Reg. No. 6727302
Downloadable educational books featuring mathematics; Downloadable educational publications, namely, downloadable educational learning cards, flash cards, activity cards, workbooks, textbooks, activity books, story books, puzzle books, puzzles, teacher guides, manuals, posters and educational booklets in the field of mathematics; Downloadable educational publications, namely, downloadable workbooks, worksheets, and handouts in the fields of mathematics
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