Marking pen
FIG. 1 is a perspective view of a marking pen showing our new design; 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a rear elevational view thereof; 
     FIG. 4 is a left side elevational view thereof; 
     FIG. 5 is a top plan view thereof; 
     FIG. 6 is a bottom plan view thereof; 
     FIG. 7 is a front elevational view of the marking pen, omitting the cap member; 
     FIG. 8 is a left side elevational view thereof; 
     FIG. 9 is a top plan view thereof; 
     FIG. 10 is a front elevational view of the cap member disclosed separately for purposes of clarity; 
     FIG. 11 is the bottom plan view thereof; and 
     FIG. 12 is a perspective view of the marking pen in an exploded condition.