Step ladder
Latest Core Distribution, Inc. Patents:
Claims
We claim the ornamental design for the step ladder, as shown and described.
Type: Grant
Filed: Sep 10, 2009
Date of Patent: Sep 21, 2010
Assignee: Core Distribution, Inc. (Minneapolis, MN)
Inventors: Mitchell I. Kieffer (Minneapolis, MN), Allen A. Caldwell (Shakopee, MN), Nathan L. Schlueter (Bloomington, MN), Matthew J. Decker (St. Paul, MN)
Primary Examiner: Doris Clark
Attorney: Fredrikson & Byron, P.A.
Application Number: 29/343,266