U.S. federal trademark · Serial No. 74461023 · Reg. No. 1917212
educational and instructional apparatus for grades K through 6, namely weighing scales, graduated rulers, abacuses, calculators; video tapes, audio tapes, CD Roms, laser discs, video discs, and computer software featuring mathematical instructional and problems, sold separately, and as a unit in a kit
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.