Ventilator

FIG. 1 is a perspective view of a ventilator (dunstgebläse) comprising a new, original and ornamental design;

FIG. 2 is a left side elevational view of the ventilator (dunstgebläse) shown in FIG. 1 ;

FIG. 3 is a right side elevational view of the ventilator (dunstgebläse) shown in FIG. 1 ;

FIG. 4 is a front view of the ventilator (dunstgebläse) shown in FIG. 1 ; and

FIG. 5 is a rear view of the ventilator (dunstgebläse) shown in FIG. 1 .

FIG. 6 is a top plan view of ventilator (dunstgebläse) shown in FIG. 1 ; and,

FIG. 7 is a bottom view of ventilator (dunstgebläse) shown in FIG. 1 .

The broken lines represent portions of the structure that forms no part of the claim.