Combined speaker and amplifier

Details Combined speaker and amplifier Combined speaker and amplifier

1987-03-18

1991-03-26

Feifer, Melvin B.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Radio receiver, tuner or amplifier, or housing therefor

D14172

Patent

active

D03157369

REFERENCES:
patent: D215160 (1969-09-01), Warren et al.
patent: D217355 (1970-04-01), Shaw et al.
patent: D239012 (1976-03-01), Ross
patent: D240315 (1976-06-01), Kimbell et al.
patent: 3883195 (1975-05-01), Walker
Stereo Review, Jul. 1986, p. 126, top right-Nady wireless speaker.
High Fidelity, May 1982, p. 67, center-Shure 711 loudspeaker.

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