Patents by Inventor Randy Light

Randy Light 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).

  • Magnetic switch assemblies for home security systems
    Patent number: 5416456
    Abstract: Apparatus for detecting the opened and closed state of a window as a component of a home security system comprising of a window having a peripheral frame defining an opening with a lower sill having a free upper surface thereof and an associated window slidable within the opening between an upper open orientation and a lower closed orientation, the window having a free lower surface adaptable to be in operative contact with the upper surface of the sill when the window is closed.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: May 16, 1995
    Inventor: Randy Light