Audio amplifier

- 2 Wheel Tunes, Inc.
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Description

FIG. 1 is a perspective view of an audio amplifier according to the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof; the right side being a mirror image of the left side; and,

FIG. 6 is a rear elevational view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
3860755 January 1975 Kimbell et al.
D314387 February 5, 1991 Azima
D316553 April 30, 1991 Azima
D327072 June 16, 1992 Christie
5285500 February 8, 1994 Mantz
D379813 June 10, 1997 Funayama et al.
D416902 November 23, 1999 Kizawa
D427992 July 11, 2000 Takahashi et al.
D497152 October 12, 2004 Yeh
D535284 January 16, 2007 Peng
D537434 February 27, 2007 Takahashi et al.
7230822 June 12, 2007 Langberg et al.
Patent History
Patent number: D563403
Type: Grant
Filed: Oct 31, 2006
Date of Patent: Mar 4, 2008
Assignee: 2 Wheel Tunes, Inc. (Lee's Summit, MO)
Inventor: Edward M. Files (Lee's Summit, MO)
Primary Examiner: Prabhakar Deshmukh
Attorney: Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A.
Application Number: 29/268,141