Working lamp

FIG. 1 is a perspective view for a working lamp showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an another perspective view for a working lamp showing our new design.

The showing of evenly broken lines is for illustrating portions of the article that form no part of the claimed design.