Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Patent
1990-06-06
1992-11-17
Feifer, Melvin B.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Speaker or housing therefor
D14223
Patent
active
D03310574
REFERENCES:
patent: D316551 (1991-04-01), Ichikawa
patent: 4420657 (1983-12-01), Larkin
Hifidelity Magazine, Sep. 14, 1987, p. 111, "Sony" Earphone.
Eslinger Lewis H.
Feifer Melvin B.
Maioli Jay H.
Sony Corporation
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