U.S. federal trademark · Serial No. 85327059 · Reg. No. 4400599
Educational services, namely, providing a web site featuring online publications in the nature of instructional materials, teacher's guides, and reference books in the field of mathematics; providing a web site featuring on-line publications in the nature of guides in the nature of lesson planners in the field of mathematics; student educational assessment services in the field of mathematics; providing online computer games in the field of mathematics
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