Unobstructed ambient sound audio ear insert

Details Unobstructed ambient sound audio ear insert Unobstructed ambient sound audio ear insert

2008-09-09

2008-09-09

Greene, Paula A. (Department: 2912)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

CD14S205000

Design Patent

active

29289638

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

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patent: D449295 (2001-10-01), Smith et al.
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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