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The ornamental design for a device to assist in hooking up a vehicle to a trailer, as shown and described.
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FIG. 1 is a perspective view of a device to assist in hooking up a vehicle to a trailer, showing my new design;
FIG. 2 is an enlarged top view of FIG. 3;
FIG. 3 is an enlarged bottom view of FIG. 1;
FIG. 4 is an enlarged front elevational view of each component shown in FIG. 1, the broken away portions are shown for ease of illustration;
FIG. 5 is an enlarged left side elevational view of each component shown in FIG. 1, the broken away portions are shown for ease of illustration;
FIG. 6 is an enlarged left elevational view of each component shown in FIG. 1, the broken away portions are shown for ease of illustration; and,
FIG. 7 is a perspective view similar to FIG. 1, shown in an exemplary environment of use.
The phantom lines shown in FIG. 7, illustrating portions of a trailer and a pick-up truck, do not form a part of the claimed design.
Ross, Karl A., Ross, Kenneth L.
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