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The ornamental design for the amplifier for audio system, as shown and described.
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FIG. 1 is a perspective view of the amplifier for audio system according to the invention;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 25 2003 | EASTERN MASTEC CORPORATION | (assignment on the face of the patent) | / | |||
| Apr 25 2003 | CHO, CHEONG DONG | EASTERN MASTEC CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014317 | /0675 |
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