Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1989-08-14
1992-02-04
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D14107, D18 4
Patent
active
D03236480
REFERENCES:
patent: 3557907 (1971-01-01), Close
patent: 4052594 (1977-10-01), Davis
patent: 4134537 (1979-01-01), Glaser et al.
patent: 4608486 (1986-08-01), Berstein et al.
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patent: 4735289 (1988-04-01), Kenyon
patent: 4760246 (1988-07-01), Shepard
patent: 4797540 (1989-01-01), Kimizu
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patent: 4963721 (1990-10-01), Kohno et al.
Japanese catalogue by TEC for the "M-2800" (date unknown).
Japanese catalogue by TEC for the "M-2300" (date unknown).
Burke Wallace R.
Nunn Freda S.
Tokyo Electric Company Ltd.
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