Patents by Inventor Dale Robert Schak

Dale Robert Schak 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: 7722057
    Abstract: An apparatus and method for lessening wear on a dolly on a trailer. The apparatus and method also saves the dolly on the trailer.
    Type: Grant
    Filed: June 6, 2007
    Date of Patent: May 25, 2010
    Inventor: Dale Robert Schak