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The ornamental design for a portable head support device, as shown and described. |
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FIG. 1 is a front elevational view of the portable head support device of the present invention;
FIG. 2 is a rear elevational view of the portable head support device of FIG. 1;
FIG. 3 is a top plan view of the portable head support device of FIG. 1, the bottom view being a mirror image thereof;
FIG. 4 is a right side elevational view of the portable head support device of FIG. 1;
FIG. 5 is a left side elevational view of the portable head support device of FIG. 1; and,
FIG. 6 is a top, front, right side perspective view of the portable head support device of FIG. 1.
Vinson, Bertha L, Williams, Rodney D
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