Combined speaker and amplifier

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

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Details

D14172, D14188

Patent

active

D03746712

REFERENCES:
patent: D319445 (1991-08-01), Yamakawa
patent: D335130 (1993-04-01), Rozier
patent: D363719 (1995-10-01), Cindrich et al.
Washington Post advertisement supplement, Comp USA catalog, dated Oct. 30, 1994, Speakers (top right corner).

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