Step stool
Claims
The ornamental design for a step stool, as shown and described.
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Type: Grant
Filed: Apr 30, 2009
Date of Patent: Feb 16, 2010
Assignee: Miller Manufacturing Company, Inc. (Eagan, MN)
Inventor: Kenneth C. Floer (Chaska, MN)
Primary Examiner: Sandra Snapp
Attorney: James W. Miller
Application Number: 29/336,299