The ornamental design for a grillcontrolknob with red and green regions, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front perspective view of a grill control knob with red and green regions showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a top side view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is an enlarged view of the region indicated by numeral “6” of FIG. 1.
The broken line showing of the remainder of the grill is for environmental purposes only and forms no part of the claimed design.