U.S. federal trademark · Serial No. 99730177
film that is placed on glass to control opacity.; Film and/or glass for windows that changes opacity on demand; film and/or glass that transitions from opaque to transparent instantly via an electric current; PDLC (Polymer Dispersed Liquid Crystal) film alone or with glass as a laminate
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.