Security door guard

The ornamental design for a security door guard, as shown.

FIG. 1 is a front perspective view of a security window guard, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof.

Patent	Priority	Assignee	Title
D341211,	May 07 1992		Door grill
D622411,	Jan 21 2010		Security grill work for windows and doors
D895083,	May 30 2018		Shower enclosure
ER1287,
ER4896,

Patent	Priority	Assignee	Title
3683555,
4484410,	Sep 30 1982	Interior Security Corp.	Interior security door panel
IT288486,

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Jul 05 1984	STOLLMAN, IRVING V	BENDEROFF,	ASSIGNMENT OF ASSIGNORS INTEREST	004302	0158	pdf
Jul 09 1984		Armorgard Products Company	(assignment on the face of the patent)
Nov 12 1985	BENDEROFF, LAWRENCE	ARMORGARD PRODUCTS CO	ASSIGNMENT OF ASSIGNORS INTEREST	004483	0226	pdf
Apr 08 1996	ARMORGUARD PRODUCTS, INC	NBD BANK, N A	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	007919	0698	pdf

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