We claim, the ornamental design for a laser tracker device, as shown and described.
FIG. 1 is a perspective view of the invention;
FIG. 2 is a front view of the invention;
FIG. 3 is a rear view of the invention;
FIG. 4 is a first side view of the invention;
FIG. 5 is a second side view of the invention;
FIG. 6 is a top view of the invention;
FIG. 7 is a bottom view of the invention; and,
FIG. 8 is a bottom perspective view of the invention.
The broken lines and unshaded portioned contained within the broken lines shown in FIG. 1-FIG. 8 are not part of the claimed design.
References to “side”, “top”, “front”, “rear” and “bottom” in the figure descriptions are not meant to require certain in-use orientation; a laser tracker device according to the claimed design may be used in any orientation.