Speaker

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor

Patent

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D14224

Patent

active

D03200205

REFERENCES:
patent: D250586 (1978-12-01), Nussdorfer et al.
patent: D270909 (1983-10-01), Iijima
patent: 4546850 (1985-10-01), Litner
patent: 4733748 (1988-03-01), Ponticelli, Jr.
Crutchfield Catalog-Fall 1979; p. 61; top left-Pioneer Model TS-160 Speaker.

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