Patents by Inventor John Daniel Hayes Leonard

John Daniel Hayes Leonard 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).

  • Patent number: D642193
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: July 26, 2011
    Assignee: Microsoft Corporation
    Inventors: Patrick Shih, John Daniel Hayes Leonard, Wilhelmina P. Dietrich, Kristie E. Smith, Ojiakonobi Udezue