Patents by Inventor Kam-Ying Choy

Kam-Ying Choy 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).

  • Doll head
    Patent number: D442238
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: May 15, 2001
    Assignee: Hunglam Toys Co., Ltd.
    Inventor: Kam-Ying Choy
  • Doll head
    Patent number: D481770
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: November 4, 2003
    Assignee: Hunglam Toys Co., Ltd.
    Inventor: Kam Ying Choy