Testing device of microphone

Details Testing device of microphone Testing device of microphone

2001-08-23

2002-10-08

Mortimer, Paula A. (Department: 2912)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

Design Patent

active

D0464041

CLAIM:
The ornamental design for a testing device of microphone, as shown and described.

REFERENCES:
patent: D188344 (1960-07-01), Carlson
patent: D277845 (1985-03-01), Ip
patent: D357016 (1995-04-01), Li et al.
patent: D357248 (1995-04-01), Chong
patent: D384077 (1997-09-01), Frasse

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