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The ornamental design for a coupling guard, as shown. |
FIG. 1 is a front perspective view of a coupling guard showing our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is an elevational view taken from one side thereof; and
FIG. 8 is an elevational view taken from the side opposite that shown in FIG. 7.
Hanson, Richard H., Roedel, Robert D., Forrest, Frank R.
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