U.S. federal trademark · Serial No. 77567994 · Reg. No. 3615270
student books in the fields of grade school and middle school mathematics; student books, a teacher's guide, and a teacher's resource book sold as a unit with manipulative toys and games and software in the fields of grade school and middle school mathematics
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.