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The ornamental design for an invalid sling, as shown and described. |
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FIG. 1 is a top plan view of an invalid sling showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a perspective view showing the invalid sling in use;
FIG. 4 is a front elevational view of the invalid sling;
FIG. 5 is a left elevational view thereof;
FIG. 6 is a right elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.
The broken line showing is for illustrative purposes only and forms no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 06 1995 | PARKER, ROY | Parker Bath Company, Limited | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007648 | /0996 | |
| Dec 19 2003 | Parker Bath Limited | ARJO HOSPITAL EQUIPMENT AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014363 | /0868 |
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