Microphone filter

Details Microphone filter Microphone filter

2000-11-15

2001-11-20

Bondade, Nanda (Department: 2912)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

CD14S217000

Design Patent

active

D0450684

CLAIM:
The ornamental design for a microphone filter, as shown and described.

REFERENCES:
patent: D. 303353 (1989-09-01), Enison
patent: D. 370936 (1996-06-01), Hofman et al.
patent: D. 396862 (1998-08-01), Morgan
patent: 1682409 (1928-08-01), Nyman
patent: 2106813 (1938-02-01), Romanow
patent: 2623957 (1952-12-01), Cragg et al.
patent: 4212219 (1980-07-01), Hubbard
patent: 4570746 (1986-02-01), Das et al.
patent: 4768614 (1988-09-01), Case
patent: 4975966 (1990-12-01), Sapiejewski

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