FIG. 1 is a front, bottom perspective view of a hair dryer, showing my new design;
FIG. 2 is a rear, top perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is an enlarged view of detail “9” identified in FIG. 1;
FIG. 10 is an enlarged view of detail “10” identified in FIG. 1;
FIG. 11 is an enlarged view of detail “11” identified in FIG. 1;
FIG. 12 is an enlarged view of detail “12” identified in FIG. 2; and,
FIG. 13 is an enlarged view of detail “13” identified in FIG. 2.
The dashed lines in the figures illustrate portions of the hair dryer that form no part of the claimed design. The dash dot dash lines in FIGS. 1, 2, 9, 10, 11, 12 and 13 are for the purpose of illustrating the enlarged views indicators and form no part of the claimed design.