Patents by Inventor Lai Soon

Lai Soon 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).

  • Helicopter
    Patent number: D331565
    Type: Grant
    Filed: September 24, 1991
    Date of Patent: December 8, 1992
    Assignee: Soon Cheng Toys Enterprise Co., Ltd.
    Inventor: Lai Soon