Mobile marker board

FIG. 1 is a perspective view of a first embodiment of a mobile marker board embodying our invention;

FIG. 2 is a front elevational view thereof, the rear elevational view being substantially identical thereto;

FIG. 3 is a right end elevational view, the left end elevational view being substantially identical thereto;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

FIG. 6 is a perspective view of a second embodiment of a mobile marker board embodying our invention;

FIG. 7 is a front elevational view thereof, the rear elevational view being substantially identical thereto;

FIG. 8 is a right end elevational view, the left end elevational view being substantially identical thereto;

FIG. 9 is a top view thereof; and,

FIG. 10 is a bottom view thereof.

FIG. 11 is a perspective view of a third embodiment of a mobile marker board embodying our invention;

FIG. 12 is a front elevational view thereof, the rear elevational view being substantially identical thereto;

FIG. 13 is a right end elevational view thereof;

FIG. 14 is a left end elevational view thereof;

FIG. 15 is a top view thereof; and,

FIG. 16 is a bottom view thereof.

FIG. 17 is a right end elevational view of fourth and fifth embodiments of a mobile marker board embodying our invention, the front/rear elevational views, top view and bottom view of the fourth embodiment being the same as FIGS. 2, 4 and 5 respectively, and the front/rear elevational views, top view and bottom view of the fifth embodiment being the same as FIGS. 12, 15 and 16 respectively; and,

FIG. 18 is a left end elevational view of the fourth and fifth embodiments.