Patents by Inventor Julie Willey

Julie Willey 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).

  • Writing stylus
    Publication number: 20060202976
    Abstract: A stylus for an electrographic position location apparatus is disclosed. In one embodiment, the stylus includes a writing element that is retractable. The stylus may have a proximal end and a distal end. A conductive annular structure may be at the proximal end of the stylus.
    Type: Application
    Filed: May 4, 2006
    Publication date: September 14, 2006
    Applicant: LeapFrog Enterprises, Inc.
    Inventors: Michael Perkins, Peter Milford, Kim Voskuil, Larry Lynch, Julie Willey