Ventilation fan

Description

FIG. 1 is a perspective view showing a first embodiment of a ventilation fan 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 right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view showing a second embodiment of a ventilation fan showing our new design in a condition of use;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The gray shading represents illumination.

The broken lines shown in the drawings illustrate portions of the article and form no part of the claimed design.

Claims

The ornamental design for a ventilation fan as shown and described.