Locking device

The ornamental design for a locking device, as shown and described.

FIG. 1 is a perspective view of a locking device showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The claim has been shown broken away for ease of illustration to show indeterminate length.

Patent	Priority	Assignee	Title
D798687,	Dec 26 2016		Hinge lock
D902692,	Sep 26 2016		Hunting blind securing attachment

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