Loud speaker

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

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1401

Patent

active

D04138902

REFERENCES:
patent: D317919 (1991-07-01), Kawanabe
patent: D369356 (1996-04-01), Olson
patent: D385279 (1997-10-01), Diute
patent: 3143182 (1964-08-01), Sears et al.

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