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The ornamental design for a watering trough for animals, as shown and described. |
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FIG. 1 is a perspective view taken from the top, one side and one end of a watering trough for animals showing my new design; and
FIG. 2 is a perspective view taken from the bottom and the side and end opposite that shown in FIG. 1.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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