U.S. federal trademark · Serial No. 74343790 · Reg. No. 1876377
prerecorded video discs and accompanying printed directories sold as a unit, for use in teaching a variety of educational subjects; computer programs, input and interface units and accompanying instruction manuals for use in connection with educational videodiscs; computer programs used for assembling videodisc presentations
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.