U.S. federal trademark · Serial No. 86314950 · Reg. No. 4722612
Computer services, namely, hosting for teachers and students an online web site featuring digital textbooks, instructor manuals, supplementary reading materials, instructional materials in the nature of self-assessment and study tools for students, homework assignments, course assessments, audio materials, video materials, and course management materials as well as diagnostic materials for use in connection with the study of world languages, business education, literature, language arts, English, social studies, family and consumer science, and health and biotechnology
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