U.S. federal trademark · Serial No. 87900320
Publications, namely, books, brochures, guides, journals, journal articles, booklets, workbooks, hand-outs, printed lectures, and teaching materials in the fields of science, cosmology, mathematics, and general interest; Printed books in the field of science; Printed books in the field of cosmology; Printed books in the field of mathematics; Printed books in the field of general interest
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.