Patents by Inventor Mak Wilson Yu Sang

Mak Wilson Yu Sang 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).

  • Electronic transformer
    Patent number: D919569
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: May 18, 2021
    Assignee: Smart Hero Enterprises Ltd
    Inventor: Mak Wilson Yu Sang