FIG. 1 is a front, top and right side perspective view of a booster regulator showing a first embodiment of our new design;
FIG. 2 is a rear, top and left side perspective view thereof;
FIG. 3 is a rear, bottom and left side perspective view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a left side view thereof;
FIG. 9 is a right side view thereof;
FIG. 10 is a front, top and right side perspective view of a booster regulator showing a second embodiment of our new design;
FIG. 11 is a rear, top and left side perspective view of FIG. 10;
FIG. 12 is a rear, bottom and left side perspective view of FIG. 10;
FIG. 13 is a front view of FIG. 10;
FIG. 14 is a rear view of FIG. 10;
FIG. 15 is a top plan view of FIG. 10;
FIG. 16 is a bottom plan view of FIG. 10;
FIG. 17 is a left side view of FIG. 10; and,
FIG. 18 is a right side view of FIG. 10.
The broken lines depict portions of the booster regulator that form no part of the claimed design.