Patents Represented by Attorney Fredrikson & Ryron, P.A.

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  • Telescoping ladder rung
    Patent number: D593685
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: June 2, 2009
    Assignee: Core Distribution, Inc.
    Inventors: Mitchell I. Kieffer, Craig S. Aizman, Bruce A. Hillukka, Micheal J. Kelly, Wayne A. Shakal