Loudspeaker

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

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D14214

Patent

active

D03028178

REFERENCES:
patent: D215007 (1969-08-01), Levow
patent: D221665 (1971-08-01), Iida et al.
patent: D234604 (1975-03-01), Shimizu
patent: D278811 (1985-05-01), White et al.
patent: 3400217 (1968-09-01), Kraut
patent: 3818138 (1974-06-01), Sperrazza, Jr.
patent: 4336861 (1982-06-01), Peter
patent: 4348549 (1982-09-01), Berlant
High Fidelity, Dec. 1985, inside front cover, Bose 10.2 System.

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