Patents by Inventor Jan Jim Gruen

Jan Jim Gruen 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).

  • Fundation anchor bolt holder
    Publication number: 20120285119
    Abstract: A bolt holding device that has a seating platform for anchor bolts and support for it in an elevated position.
    Type: Application
    Filed: May 9, 2011
    Publication date: November 15, 2012
    Inventor: Jan Jim Gruen