U.S. federal trademark · Serial No. 75745370
picture books, reference books [history], educational books [elementary, secondary and college level social studies], printed instructional, educational, and teaching materials [social studies] prints (art), prints (photographic), prints (pictorial), posters, greeting cards, postcards, stationery writing paper and envelopes
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.