U.S. federal trademark · Serial No. 73488407 · Reg. No. 1324515
Equipment Such as Numbered Wooden Cubes Sold in Kit Form as a Unit for Playing Instructional and Educational Mathematical Games Designed to Enhance Mathematical and Reasoning Skills (Used Primarily as Mathematical Teaching Aids)
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.