Patents by Inventor Hoi Tong Wan

Hoi Tong Wan 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 gun
    Patent number: D438916
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: March 13, 2001
    Assignee: Wing Sang Toys Factory Limited
    Inventor: Hoi Tong Wan