73458830
Dec 27, 1983
Jan 29, 1985
Computers and Peripherals Therefor; Computer Accessories-Namely, Battery Packs and Rechargers, Telephone Cables, and Blank Magnetic Cassette Tapes; Prerecorded Programs on Read Only Memories; Prerecorded Magnetic Cassette Tapes Containing Digitally Encoded Information in Machine Readable Form and Audio Instructional Information
Electrical and Scientific Apparatus