Signboard

The ornamental design for signboard, as shown and described.

FIG. 1 is a perspective view of a signboard showing my new design:

FIG. 2 is an enlarged front elevational view of the signboard illustrated by FIG. 1; and,

FIG. 3 is a right side perspective view of the signboard illustrated by FIG. 1.

Patent	Priority	Assignee	Title
10092116,	Nov 16 2017	SPARKLE LIFE	Jewelry display case
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D913730,	Aug 21 2019		Display case

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Aug 23 2007		“Durable” Hunke & Jochheim Gmbh & Co. KG	(assignment on the face of the patent)

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