The ornamental design for a metereddoseinhaler, as shown and described.
FIG. 1 is a perspective view of a metered dose inhaler showing our new design.
FIG. 2 is an elevational view of a front side of the metered dose inhaler.
FIG. 3 is an elevational view of a left side of the metered dose inhaler.
FIG. 4 is an elevational view of a right side of the metered dose inhaler.
FIG. 5 is an elevational view of a back side of the metered dose inhaler.
FIG. 6 is a plan view of a top end of the metered dose inhaler; and,
FIG. 7 is a plan view of a bottom end of the metered dose inhaler.
The broken lines showing a canister in FIGS. 1-5 and 7 are included for the purpose of illustrating environment and form no part of the claimed design. The broken lines immediately adjacent to the shaded areas in FIGS. 3-6 represent unclaimed boundaries of the design.