U.S. federal trademark · Serial No. 88844684 · Reg. No. 6173936
Books in the field of computer science; Children's interactive educational books; Series of computer game hint books
Drinking glasses, namely, tumblers
Publication of books; Publication of text books; Publication of texts, books, journals; Publishing of books, e-books, audio books, music and illustrations
T-shirts
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.