Robotic master controller
US D545334 S1
The ornamental design for a robotic master controller, as shown and described.
FIG. 1 is a perspective view of a master controller in accordance with the present invention;
FIG. 2 is a first side elevational view thereof;
FIG. 3 is a second side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a front elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.