Dual voice speaker

Details Dual voice speaker Dual voice speaker

2002-12-20

2004-11-02

Bondade, Nanda (Department: 2912)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Speaker or housing therefor

Design Patent

active

D0497901

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

REFERENCES:
patent: D254130 (1980-02-01), Iijima
patent: D254252 (1980-02-01), Matsubara
patent: D254434 (1980-03-01), Iijima
patent: 4672675 (1987-06-01), Powell et al.
patent: D320020 (1991-09-01), Iwano
patent: D419561 (2000-01-01), Haase et al.

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