Patents by Inventor Hak Tang Samy Lam

Hak Tang Samy Lam 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).

  • Toy spinning top
    Patent number: D404437
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: January 19, 1999
    Assignee: The Plasticsam Limited
    Inventor: Hak Tang Samy Lam