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The ornamental design for a step stool, as shown and described. |
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FIG. 1 is a front perspective view of a step stool embodying my new design.
FIG. 2 is a bottom plan view thereof.
FIG. 3 is a top plan view thereof.
FIG. 4 is a rear elevational view thereof.
FIG. 5 is a front elevational view thereof.
FIG. 6 is a right side elevational view thereof; the opposite side being a mirror image.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Nov 23 1988 | HRADISKY, JOHN L | RUBBERMAID INCORPORATED, 1147 AKRON ROAD, WOOSTER, OH 44691 | ASSIGNMENT OF ASSIGNORS INTEREST | 005005 | /0958 | |
| Dec 22 1988 | Rubbermaid Incorporated | (assignment on the face of the patent) | / |
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