Patent
   D604854
Priority
May 06 2008
Filed
May 06 2008
Issued
Nov 24 2009
Expiry
Nov 24 2023
Assg.orig
Entity
unknown
18
12
n/a
The ornamental design for a dental matrix retainer ring, as shown and described.

FIG. 1 is a top plan view of a dental matrix retainer ring showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front perspective view thereof;

FIG. 4 is a rear perspective view thereof;

FIG. 5 is a left side elevation thereof; and,

FIG. 6 is another front perspective view thereof shown on a slightly enlarged scale; and,

FIG. 7 is a rear perspective view thereof.

McDonald, Simon Paul

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Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 27 2013MCDONALD, SIMON PAULDENTSPLY International IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0339420776 pdf
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