Speaker

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

Patent

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Details

D14214

Patent

active

D03592863

REFERENCES:
patent: D347224 (1994-05-01), Faas
patent: 2973824 (1961-03-01), Pinski
patent: 3326321 (1967-06-01), Valuch
patent: 4503930 (1985-03-01), McDowell
patent: 4870691 (1989-09-01), Mindel
High Fidelity, Jun. 22, 1987, p. 86, Speaker, model No. sound field 50.

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