Ring pessary

The ornamental design for a ring pessary, as shown and described.

FIG. 1 is a front view of a ring pessary showing my new design;

FIG. 2 is a side view of a ring pessary of FIG. 1;

FIG. 3 is a top view of a ring pessary of FIG. 1; and,

FIG. 4 is a front and left side perspective view of a ring pessary of FIG. 1.

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Sep 07 2012		VivoSensMedical GmbH	(assignment on the face of the patent)
Oct 23 2012	ZIEGNER, ANDREAS	VivoSensMedical GmbH	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	029281	0155	pdf

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