U.S. federal trademark · Serial No. 97778534 · Reg. No. 018831126
Paper and cardboard; printed matter, namely books and magazines in the field of mathematics; fabrics for bookbinding; printed photographs; paper stationery and office requisites, except furniture, namely office staplers; adhesives for stationery or household purposes; drawing materials and artists' materials, namely, drawing paper; paintbrushes; printed teaching materials, except apparatus, in the field of mathematics; plastic sheets for packaging; printing type; printing blocks; printers' gallery racks; printing fonts being printing type
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.