Patents by Inventor Helen A. Osbourne

Helen A. Osbourne 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: 6254943
    Abstract: A transfer sheet including a substrate; and an indicator.
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: July 3, 2001
    Assignee: Xerox Corporation
    Inventor: Helen A. Osbourne