U.S. federal trademark · Serial No. 74365388
books, booklets, children's books, workbooks, comic books, printed educational brochures, pamphlets, periodicals; namely, magazines and newsletters, calendars, periodical bulletins, teaching guides, and maps relating to environmental education and awareness and the conservation and preservation of endangered species
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.