US D245921 S
Abstract available in
FIG. 1 is an isometric view of a side and the upper end of my new coupler for respiratory apparatus;
FIG. 2 is an isometric view thereof, showing the other side and lower end thereof;
FIG. 3 is a view in side elevation thereof, with a portion of the wall broken away and an interior stem portion shown in central cross-section;
FIG. 4 is a view in front elevation of the device;
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is a top plan view thereof.