Unobstructed ambient sound audio ear insert

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment

Design Patent

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Details

CD14S205000

Design Patent

active

D0576610

CLAIM:
The ornamental design for an unobstructed ambient sound audio ear insert, as shown and described.

REFERENCES:
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patent: D449592 (2001-10-01), Koss et al.
patent: D461793 (2002-08-01), Brumitt et al.
patent: D523845 (2006-06-01), Smith et al.

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