Design for inspiratory muscle trainer

Description

FIG. 1 is a perspective view of an inspiratory muscle trainer showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an end elevational view thereof as seen from the right of FIG. 2;

FIG. 4 is a side elevational view thereof;

FIG. 5 is an elevational view thereof as seen from the opposite end of FIG. 3;

FIG. 6 is a bottom plan view thereof.

The broken lines are shown for illustrative purposes only and form no part of the claimed design.