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The ornamental design for a back stretching device, as shown and described.
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FIG. 1 is a front perspective view of a back stretching device showing my new design.
FIG. 2 is a rear view thereof.
FIG. 3 is a front view thereof.
FIG. 4 is side view thereof, with the other side being a mirror image thereof.
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 02 2003 | BERBST, BARRY | SMC INNOVATIONS A DIVISION OF SCIENTIFIC MOLDING CORPORATION, LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014560 | /0427 | |
| Sep 02 2003 | B&K SPORTS, INC | SMC INNOVATIONS A DIVISION OF SCIENTIFIC MOLDING CORPORATION, LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014560 | /0427 |
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