We claim the ornamental design for a usage monitoring attachment for a dry powder inhaler, as shown and described.
FIG. 1 is a perspective view of a usage monitoring attachment for a dry powder inhaler showing our new design.
FIG. 2 is a front view of the usage monitoring attachment for a dry powder inhaler.
FIG. 3 is a rear view of the usage monitoring attachment for a dry powder inhaler.
FIG. 4 is a left side view of the usage monitoring attachment for a dry powder inhaler.
FIG. 5 is a right side view of the usage monitoring attachment for a dry powder inhaler.
FIG. 6 is a top view of the usage monitoring attachment for a dry powder inhaler; and,
FIG. 7 is a bottom view of the usage monitoring attachment for a dry powder inhaler.
The dash-dot-dash broken lines represent the boundary of the claimed design and form no part thereof. The dash-dash broken lines illustrate portions of the usage monitoring attachment for a dry powder inhaler which form no part of the claimed design.