Patents by Inventor Lau Shu Wong

Lau Shu Wong 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).

  • Facial cleansing device
    Patent number: D773823
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: December 13, 2016
    Assignee: Heroka Industries Ltd.
    Inventor: Lau Shu Wong
  • Self-hair clipper
    Patent number: D803480
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: November 21, 2017
    Assignee: Heroka Industries Ltd.
    Inventor: Lau Shu Wong