Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1984-11-05
1987-05-12
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D14 54
Patent
active
D02897628
REFERENCES:
patent: D224110 (1972-07-01), Heimann
patent: D232945 (1974-09-01), Conway et al.
patent: D238787 (1976-02-01), Ferrara
patent: D273294 (1984-04-01), Moraine
patent: D275954 (1984-10-01), Gibson
patent: 4286124 (1981-08-01), Guttmann
patent: 4291198 (1981-09-01), Anderson et al.
Alterio Frank C.
Genaro Donald M.
Harden Daniel
Johnson Chris G.
McQueen Edwin D.
AT&T Teletype Corporation
Lucas Susan J.
Tirva A. A.
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