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The ornamental design for artificial stone, as shown and described.
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The design is the features of the artificial stone shown in the drawings. The most significant feature of the design is the peripheral shape of the stone.
FIG. 1 is a top view of the artificial stone according to the design.
FIG. 2 is a bottom view of the design.
FIG. 3 is a right end side view of the design.
FIG. 4 is a front view of the design.
FIG. 5 is a left end side view of the design; and,
FIG. 6 is a rear view of the design.
Thomassen, Marcel, Castonguay, Bertin
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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