U.S. federal trademark · Serial No. 86183042 · Reg. No. 4728832
Education services, namely, providing on-line instruction, book reviews, and articles in the field of mathematics; Entertainment services, namely, providing on-line reviews of books; On-line electronic newsletters delivered by e-mail in the field of mathematics; Providing on-line non-downloadable articles in the field of mathematics; Providing ratings and reviews of publications, namely, books and training materials in the field of mathematics
Downloadable educational course materials in the field of mathematics; Downloadable electronic newsletters delivered by e-mail in the field of mathematics; Downloadable electronic publications in the nature of instructional, teaching and training materials in the field of mathematics
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