Patents by Inventor Stephen D. Ungar

Stephen D. Ungar 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).

  • Teaching aid
    Patent number: D538855
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: March 20, 2007
    Assignee: Hinkler Books Pty Ltd.
    Inventor: Stephen D. Ungar
  • Pages for a book
    Patent number: D564581
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: March 18, 2008
    Assignee: Hinkler Books Pty Ltd.
    Inventor: Stephen D. Ungar
  • Book with spheres in transparent domes
    Patent number: D630681
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: January 11, 2011
    Assignee: Hinkler Books Pty Ltd
    Inventor: Stephen D. Ungar