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The ornamental design for a power amplifier, substantially as shown and described. |
FIG. 1 is a perspective view of the power amplifier embodying my new design;
FIG. 2 is a left side elevation view thereof, the right side being a mirror image of the side shown;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 28 1975 | Heath Company | (assignment on the face of the patent) | / | |||
Oct 01 1979 | Heath Company | H CO INC | ASSIGNMENT OF ASSIGNORS INTEREST | 003917 | /0318 | |
Nov 26 1979 | H CO INC | Heath Company | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 003917 | /0321 |
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