Patents by Inventor Chengdon Wu

Chengdon Wu 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).

  • Method and apparatus for toilet seat with three-dimensional image and smooth surface
    Patent number: 9636896
    Abstract: A toilet lid is manufactured with a lenticular three-dimensional image. The toilet lid includes a protective cover sheet attached to the lenticular image. The toilet lid also includes a sealing agent applied to the edges of the protective cover sheet and lenticular image, resulting in a protected lenticular image. The toilet lid further includes the protected lenticular image incorporated into the toilet lid.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: May 2, 2017
    Assignee: Topseat International, Inc.
    Inventor: Chengdon Wu
  • METHOD AND APPARATUS FOR TOILET SEAT WITH THREE-DIMENSIONAL IMAGE AND SMOOTH SURFACE
    Publication number: 20140033417
    Abstract: A toilet lid is manufactured with a lenticular three-dimensional image. The toilet lid includes a protective cover sheet attached to the lenticular image. The toilet lid also includes a sealing agent applied to the edges of the protective cover sheet and lenticular image, resulting in a protected lenticular image. The toilet lid further includes the protected lenticular image incorporated into the toilet lid.
    Type: Application
    Filed: July 31, 2012
    Publication date: February 6, 2014
    Applicant: Topseat International, Inc.
    Inventor: Chengdon Wu