Patents by Inventor Jonathan Norman

Jonathan Norman 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).

  • Force sensitive switch
    Patent number: 6731219
    Abstract: The force sensing switch comprising a housing and a movable member movable relative to the housing upon having a predetermined force applied thereagainst by an adjacent moving structure when the structure becomes misaligned, the movable member engaging circuitry within the housing which will produce an alarm signal and will stop the adjacent structure from moving.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: May 4, 2004
    Inventors: Norman Victor Wheat, Jonathan Norman Wheat