Corner Joiner for Joining Tracks for Sliding Screens Used for Doors and Windows

FIG. 1 is a front perspective view of a corner joiner for joining tracks for sliding screens used for doors and windows showing the new design from the upper left side thereof; FIG. 2 is a left side elevational view thereof; FIG. 3 is a right side elevational view thereof; FIG. 4 is a rear elevational view thereof; FIG. 5 is a front elevational view thereof; FIG. 6 is a top plan view thereof; and, FIG. 7 is a bottom plan view thereof.