Patents by Inventor Robert John Norman

Robert John 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).

  • Magnetic stylus and visual display
    Publication number: 20080030290
    Abstract: A stylus arranges permeable flakes in a dispersion medium. The stylus includes a magnet having at least one side. A sleeve is disposed around the side of the magnet. The sleeve is made of a ferromagnetic material and arranged to modify the magnetic flux of the magnet. At least a portion of the magnet extends out from the sleeve to interact with the permeable flakes.
    Type: Application
    Filed: August 4, 2006
    Publication date: February 7, 2008
    Inventor: Robert John Norman