Portable orthopedic back rest

The ornamental design for portable orthopedic back rest, substantially as shown.

FIG. 1 is a front perspective view of a portable orthopedic back rest, showing my new design.

FIG. 2 is a right side elevational view.

FIG. 3 is a front elevational view.

FIG. 4 is a rear elevational view.

Patent	Priority	Assignee	Title
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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Mar 04 1981	ROSS ROBERT M	ACCU-BACK, INC , A CORP OF CA	ASSIGNMENT OF ASSIGNORS INTEREST	003858	0165	pdf
Mar 05 1981		Accu-Back, Inc.	(assignment on the face of the patent)

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