Patents by Inventor Robert A. Hilder

Robert A. Hilder 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: D612170
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: March 23, 2010
    Inventor: Robert A. Hilder