U.S. federal trademark · Serial No. 74595215 · Reg. No. 1942496
educational devices, namely blocks made of plastic used to help students, namely middle school and high school students, understand algebra
publications, namely, manuals of instruction for use of plastic blocks to help students, namely middle school and high school students understand algebra
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.