Audio speaker

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

Design Patent

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Design Patent

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D0574813

CLAIM:
The ornamental design for a audio speaker, as shown and described.

REFERENCES:
patent: D317008 (1991-05-01), Emmerling
patent: D342739 (1993-12-01), Atkin et al.
patent: D360885 (1995-08-01), Sheu
patent: D410651 (1999-06-01), Suzuki
patent: D415159 (1999-10-01), Nakano
patent: D465212 (2002-11-01), Lytel
patent: D487076 (2004-02-01), Nakane et al.

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