US D594450 S1
We claim the ornamental design for a telephone handset, as shown and described.
FIG. 1 is a front perspective view of a telephone handset of the present invention;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a first side view thereof;
FIG. 5 is a second side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken line showing of telephone handset is included for the purpose of illustrating environment and forms no part of the claimed design.