FIG. 1 is a perspective view of a first embodiment of our design for a tee coupling;
FIG. 2 is a left side view of the tee coupling shown in FIG. 1, the right side being shown in perspective in FIG. 1;
FIG. 3 is an end view of the tee coupling shown in FIG. 1, the opposite end view being identical;
FIG. 4 is a bottom view of the tee coupling shown in FIG. 1;
FIG. 5 is a top view of the tee coupling shown in FIG. 1;
FIG. 6 is a perspective view of a second embodiment of our design for a tee coupling;
FIG. 7 is a left side view of the tee coupling shown in FIG. 6, the right side being shown in perspective in FIG. 6;
FIG. 8 is an end view of the tee coupling shown in FIG. 6, the opposite end view being identical;
FIG. 9 is a bottom view of the tee coupling shown in FIG. 6; and,
FIG. 10 is a top view of the tee coupling shown in FIG. 6.
The broken lines shown in FIGS. 6, 8 and 10 are for illustrative purposes only and form no part of the claimed design.