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The ornamental design for a step stool, as shown and described.
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FIG. 1 is a perspective view of a step stool showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right-side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left-side elevational view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 09 2001 | Cosco Management, Inc. | (assignment on the face of the patent) | / | |||
Apr 05 2001 | ROSKO, SCOT M | COSCO MANAGEMENT, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011799 | /0891 | |
Apr 30 2001 | ROSKO, M SCOTT | COSCO MANAGEMENT, INC | CORRECTIVE TO CORRECT THE EXECUTION DATE | 012111 | /0888 | |
Nov 25 2014 | COSCO MANAGEMENT, INC | AMERIWOOD INDUSTRIES, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 034485 | /0130 | |
Sep 12 2016 | AMERIWOOD INDUSTRIES, INC | DOREL HOME FURNISHINGS, INC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 040147 | /0673 |
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