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The ornamental design for a combined microphone, speaker and amplifier, as shown. |
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FIG. 1 is a top, front and right-side perspective view of a combined microphone, speaker and amplifier showing my new design;
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 |
| Jul 19 1990 | MASAGAKI, YOSHIHIRO | SONY CORPORATION, A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 005398 | /0565 | |
| Jul 31 1990 | Sony Corporation | (assignment on the face of the patent) | / |
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