Patents by Inventor Shawn W. Hamrick

Shawn W. Hamrick 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).

  • Patent number: D655652
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: March 13, 2012
    Assignee: Caterpillar Inc.
    Inventors: Eric J. Hanson, Jennifer E. Alday, Joseph F. deNatale, Brenda K. Baeumler, Shawn W. Hamrick, Marcey Collins