Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1983-03-14
1985-09-03
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D02804093
REFERENCES:
patent: D270453 (1983-09-01), Takahashi
Epson HX-20 Computer Brochure .COPYRGT.1982, Portable Computer.
Radio Shack TRS-80.RTM. Microcomputer Catalog #RSC-8; 1983, .COPYRGT.1982, p. 39, PC-2 Printer/Plotter Cassette Interface for PC-2 Computer.
Lucas Susan J.
Sharp Corporation
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