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The ornamental design for an ultrasonic transducer, as shown. |
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FIG. 1 is a perspective view of an ultrasonic transducer, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is an elevational view thereof of one side;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is an elevational view thereof of the other side; and
FIG. 6 is a rear elevational view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 12 1977 | U.S. Philips Corporation | (assignment on the face of the patent) | / |
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