Stepladder shelf extension

The ornamental design for a stepladder shelf extension, as shown and described.

FIG. 1 is a perspective elevation of stepladder shelf extension;

FIG. 2 is a front elevation thereof;

FIG. 3 is an end elevation thereof; and

FIG. 4 is a top plan view of the stepladder shelf extension.

Patent	Priority	Assignee	Title
11635190,	Jul 14 2017	AXIS LIGHTING INC	Acoustic luminaire structure
5636817,	Jan 16 1996		Combination can and tool support
D808697,	Feb 03 2017	Hecktech, Inc.	Accessory shelf for audio visual cart
D840410,	Jul 31 2017	NICELINK INTERNATIONAL CO., LTD.; Chao-Sheng, Kuo	Monitor riser shelf

Patent	Priority	Assignee	Title
4159045,	Mar 20 1978		Ladder standoff platform
4300740,	May 12 1980		Easily movable shelf for step ladder
D263132,	Feb 07 1980	Marco Mfg., Inc.	Portable detachable step for connecting to the front bumper of a vehicle

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Jun 28 1982		Brownlee Stepladder Extensions, Inc.	(assignment on the face of the patent)
Sep 01 1982	BROWNLEE, MERREL F	BROWNLEE STEPLADDER EXTENSIONS, INC , A CORP OF OH	ASSIGNMENT OF ASSIGNORS INTEREST	004032	0087	pdf

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