Blank holder

The ornamental design for a blank holder, as shown and described.

FIG. 1 is a perspective view of a blank holder, showing my new design

FIG. 2 is a bottom view thereof.

FIG. 3 is a top view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The dotted lines form no part of the claimed design.

Patent	Priority	Assignee	Title
8551622,	Jul 20 2007	Ivoclar Vivadent AG	Addressable matrices/cluster blanks for dental CAD/CAM systems and optimization thereof
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20160158903,
20160193020,
D627472,	Oct 13 2008	SOLVENTUM INTELLECTUAL PROPERTIES COMPANY	Frame containing ceramic block for producing dental crowns and bridges
D627473,	Oct 13 2008	SOLVENTUM INTELLECTUAL PROPERTIES COMPANY	Frame containing ceramic block for producing dental crowns and bridges
D675325,	May 12 2008	Ivoclar Vivadent AG	Holder for CAD/CAM blanks
D775359,	Dec 04 2014	Ivoclar Vivadent AG	Dental blank holder
D802147,	Dec 04 2014	Ivoclar Vivadent AG	Dental blank holder

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Feb 07 2017		Ivoclar Vivadent AG	(assignment on the face of the patent)
Mar 16 2017	KONRAD, ERICH	Ivoclar Vivadent AG	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	041590	0807	pdf

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