Patents by Inventor Sin Leung Lai

Sin Leung Lai 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).

  • Multimedia speaker
    Patent number: D881844
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: April 21, 2020
    Assignee: Zhong Shan City Li Tai Electronic Industrial Co., Ltd
    Inventors: Sin Leung Lai, Jia Xin Li