The ornamental design for an ergonometricself-hanging utility handle, as shown and described.
FIG. 1. is a front elevational view of an ergonometric self hanging utility handle showing my new design;
FIG. 2. is a right side elevational view thereof;
FIG. 3. is a left side elevational view thereof;
FIG. 4. is a reduced front elevational view thereof showing the user's hand on the handle; and,
FIG. 5. is a reduced front elevational view thereof showing the user's hand in a different position thereof.
The back side of the utility handle is a mirror image of the front side. The broken lines showing a paintbrush head and a user's hand are for illustrative purposes only and form no part of the claimed design.