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The ornamental designs for step stool, as shown and described. |
FIG. 1 is a perspective view of a first embodiment of a step stool with rollers of our design;
FIG. 2 is an elevational view of one side thereof, the opposite side being substantially a mirror image thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a perspective view of a second embodiment of a step step stool with rollers of our design and having a lesser height than that depicted in FIG. 1;
FIG. 8 is an elevational view of one side thereof, the opposite side being substantially a mirror image thereof;
FIG. 9 is a front elevational view thereof;
FIG. 10 is a rear elevational view thereof;
FIG. 11 is a top plan view thereof;
FIG. 12 is a bottom plan view thereof;
FIG. 13 is a perspective view of a third embodiment of a step step stool of our design without rollers;
FIG. 14 is an elevational view of one side thereof, the opposite side being substantially a mirror image thereof;
FIG. 15 is a front elevational view thereof;
FIG. 16 is a rear elevational view thereof;
FIG. 17 is a top plan view thereof;
FIG. 18 is a bottom plan view thereof;
FIG. 19 is a perspective view of a fourth embodiment of a step stool of our design having single step;
FIG. 20 is an elevational view of one side thereof, the opposite side being substantially a mirror image thereof;
FIG. 21 is a front elevational view thereof, the opposite side being substantially a mirror image thereof;
FIG. 22 is a top plan view thereof; and,
FIG. 23 is a bottom plan view thereof.
Cheris, Albert B., Dziersk, Mark
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 01 2000 | CHERIS, ALBERT B | Tenex Corporation | CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE ASSIGNOR PREVIOUSLY RECORDED AT REEL 011098 FRAME 0189 | 011777 | /0693 | |
Sep 01 2000 | DZIERSK, MARK | Tenex Corporation | CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE ASSIGNOR PREVIOUSLY RECORDED AT REEL 011098 FRAME 0189 | 011777 | /0693 | |
Sep 01 2000 | CHERIS, ALBERT B | Tenex Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011098 | /0189 | |
Sep 05 2000 | DZIERSKI, MARK | Tenex Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011098 | /0189 | |
Sep 12 2000 | Tenex Corporation | (assignment on the face of the patent) | / | |||
Jun 01 2001 | Tenex Corporation | Berol Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012454 | /0841 | |
Dec 21 2006 | Berol Corporation | SANFORD, L P | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 018679 | /0290 |
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