Patents by Inventor Charles Duheis

Charles Duheis 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).

  • Publication number: 20070209487
    Abstract: Fastening devices and apparatuses for providing an appropriate amount of torque in a fastening system. Particularly, fastening devices and apparatuses configured to inform a user when an appropriate amount of torque as been used when fastening the fastening device to a designated object.
    Type: Application
    Filed: March 7, 2006
    Publication date: September 13, 2007
    Inventors: Gary Helstern, John Cronin, Charles Duheis