Speaker

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

Patent

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1401

Patent

active

D03873510

REFERENCES:
patent: D231660 (1974-05-01), Ishikawa
patent: D253592 (1979-12-01), Takei
patent: D270532 (1983-09-01), Weinstein
patent: D340245 (1993-10-01), Christie
patent: D360417 (1995-07-01), Mark
patent: 5115473 (1992-05-01), Yamagishi et al.
Stereo Review, p. 130, McIntosh XRT 22 Loudspeaker System, Jan. 1988.

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