Patents by Inventor John E. Grad

John E. Grad 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).

  • Electric control device
    Patent number: 4288669
    Abstract: An electric control device is provided by this invention with a new and unique pull-out contact combination. This pull-out arrangement allows the contact assembly to be pulled away from the housing of the control device for visual inspection of the contacts without removing electrical conductors terminated there.
    Type: Grant
    Filed: November 19, 1979
    Date of Patent: September 8, 1981
    Assignee: Westinghouse Electric Corp.
    Inventors: Kurt A. Grunert, William J. McKean, John E. Grad