U.S. federal trademark · Serial No. 77446985 · Reg. No. 3747401
Printed charts; Printed guides for invention charts, templates, and guides for displaying engineering and invention principles; Printed instructional, educational, and teaching materials in the field of invention and creaivity; Printed products, namely, lists featuring inventions and engineering principles; Printed products, namely, product guides featuring invention and engineering principles; Publications, namely, brochures, booklets, and teaching materials in the field of inventions and engineering
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.