Patents by Inventor Kin Sun Lai

Kin Sun 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).

  • Scissors
    Patent number: D471780
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: March 18, 2003
    Assignee: Tak Sung Investments Limited
    Inventor: Kin Sun Lai