Combined speaker, amplifier box and microphone

Details Combined speaker, amplifier box and microphone Combined speaker, amplifier box and microphone

1993-09-23

1995-06-20

Wallace, Terry A.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Speaker or housing therefor

D14226

Patent

active

D03594920

REFERENCES:
patent: D237804 (1975-11-01), Kizawa
patent: 4190738 (1980-02-01), Samuels
patent: 4630303 (1986-12-01), Tanno
Audio Nov. 1970, p. 190 69 and 70 top left corner on p. 69.

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