Audio amplifier

Details Audio amplifier Audio amplifier

2008-03-04

2008-03-04

Deshmukh, Prabhakar (Department: 2912)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

CD14S188000

Design Patent

active

D0563403

CLAIM:
The ornamental design for an audio amplifier, as shown and described.

REFERENCES:
patent: 3860755 (1975-01-01), Kimbell et al.
patent: D314387 (1991-02-01), Azima
patent: D316553 (1991-04-01), Azima
patent: D327072 (1992-06-01), Christie
patent: 5285500 (1994-02-01), Mantz
patent: D379813 (1997-06-01), Funayama et al.
patent: D416902 (1999-11-01), Kizawa
patent: D427992 (2000-07-01), Takahashi et al.
patent: D497152 (2004-10-01), Yeh
patent: D535284 (2007-01-01), Peng
patent: D537434 (2007-02-01), Takahashi et al.
patent: 7230822 (2007-06-01), Langberg et al.

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