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The ornamental design for a step ladder, as shown and described. |
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FIG. 1 is a front perspective view of a step ladder showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a elevational view taken from the right side thereof, a view taken from the left 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 |
| Nov 17 1992 | Grosfillex Sarl | (assignment on the face of the patent) | / | |||
| Dec 17 1992 | GROSFILLEX, RAYMOND | Sarl, Grosfillex | ASSIGNMENT OF ASSIGNORS INTEREST | 006370 | /0656 |
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