Patents by Inventor Cham Fung Lai

Cham Fung 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).

  • Handle
    Patent number: D462179
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: September 3, 2002
    Inventors: Cham Fung Lai, Wing Shun Vincent Luk, Donald Hay
  • Handle for tool
    Patent number: D464856
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: October 29, 2002
    Assignee: Hayco Manufacturing Limited
    Inventor: Cham Fung Lai