The ornamental design for a knife handle, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a perspective view of a knife handle, showing my new design;
FIG. 2 is a left side view thereof;
FIG. 3 is an enlarged front view thereof;
FIG. 4 is an enlarged rear view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
A right side view of the knife handle is omitted as it is symmetric in appearance to the left side view of FIG. 2.
The broken lines in the drawings are included for the purpose of illustrating environment only and form no part of the claimed design.