U.S. federal trademark · Serial No. 74450983 · Reg. No. 2178721
computer software, program instructional manuals, prerecorded audio cassettes, prerecorded video discs, compact disc-based materials comprising computer software and digitized video and audio discs, compact disc read only operating memories and multimedia prerecorded audio and video discs all sold as a unit and all featuring educational information used in the interactive education field for mathematics
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.