Patents Assigned to Hinkler Books Pty Ltd.
  • Patent number: 7438555
    Abstract: A hand held teaching aid is made of three layers of card. The grip has a panel projecting from the grip and a pocket slides on the panel. The grip carries a picture of an item whose name is to be taught, eg. an apple, and the panel bears the name of the item, eg. APPLE. When the grip and pocket are pushed together, the picture is visible but not the word. When the grip and pocket are slid apart, the word comes into view. In a variant, numerals and simple calculations replace pictures and words.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: October 21, 2008
    Assignee: Hinkler Books Pty. Ltd.
    Inventor: Stephen Ungar
  • Patent number: D538855
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: March 20, 2007
    Assignee: Hinkler Books Pty Ltd.
    Inventor: Stephen D. Ungar
  • Patent number: D564581
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: March 18, 2008
    Assignee: Hinkler Books Pty Ltd.
    Inventor: Stephen D. Ungar
  • Patent number: D630681
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: January 11, 2011
    Assignee: Hinkler Books Pty Ltd
    Inventor: Stephen D. Ungar
  • Patent number: D657004
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: April 3, 2012
    Assignee: Hinkler Books Pty Ltd
    Inventor: Nicholas J. Bryant
  • Patent number: D657428
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: April 10, 2012
    Assignee: Hinkler Books Pty Ltd
    Inventor: Nicholas J. Bryant
  • Patent number: D657429
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: April 10, 2012
    Assignee: Hinkler Books Pty Ltd
    Inventor: Nicholas J. Bryant