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The ornamental design for a wheelchair handlebar extension apparatus, as shown and described. |
FIG. 1 is a perspective view of a wheelchair handlebar extension apparatus showing my new design, a portion of a wheelchair being shown in phantom for illustrative purposes only;
FIG. 2 is a front elevational view therefor;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a side elevational view thereof as viewed from the left side;
FIG. 5 is a side elevational view thereof as viewed from the right side;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a perspective view of a second embodiment of a wheelchair handlebar extension apparatus showing my new design;
FIG. 9 is a front elevational view thereof;
FIG. 10 is a rear elevational view thereof;
FIG. 11 is an elevational view from the left side thereof;
FIG. 12 is an elevational view from the right side thereof;
FIG. 13 is a top plan view thereof; and
FIG. 14 is a bottom plan view thereof;
FIG. 15 is a perspective view of another embodiment of a wheelchair handlebar extension apparatus showing my new design;
FIG. 16 is a front elevational view thereof;
FIG. 17 is a rear elevational view thereof;
FIG. 18 is an elevational view from the left side thereof;
FIG. 19 is an elevational view from the right side thereof;
FIG. 20 is a top plan view thereof; and,
FIG. 21 is a bottom plan view thereof.
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