Patents by Inventor Dwight N Leung

Dwight N Leung 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: 9713776
    Abstract: A multi-component collapsible and portable shape-sorting learning and development toy including a soft housing, an aperture plate element with a plurality of openings together with a matching number of blocks adapted to be inserted in the openings of the aperture plate element, a photographic display element, and a baby-safe mirror element. The toy and the individual component parts are adapted to a variety of uses for play.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: July 25, 2017
    Inventor: Dwight N Leung
  • Patent number: D847269
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: April 30, 2019
    Inventor: Dwight N Leung