Patents by Inventor Chris Callsen

Chris Callsen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

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    Patent number: D453969
    Type: Grant
    Filed: April 9, 2001
    Date of Patent: February 26, 2002
    Assignee: Polymer Concepts, Inc.
    Inventors: Kevin Callsen, Chris Callsen, Terri Wade, Patrick S. Baran