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The ornamental design for an audio amplifier, as shown and described.
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FIG. 1 is a front view of my new design for an audio amplifier;
FIG. 2 is a rear view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof; and,
FIG. 7 is a front perspective view thereof.
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Jul 26 2004 | MASUI, ISAO | Suzuki Mechatronics Yugengaisha | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015664 | /0071 | |
Aug 02 2004 | Suzuki Mechatronics Yugengaisha | (assignment on the face of the patent) | / |
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