Patents by Inventor Andy Sai-kong Lam

Andy Sai-kong 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).

  • Patent number: D457508
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: May 21, 2002
    Assignee: Higear Limited
    Inventor: Andy Sai-kong Lam
  • Patent number: D457865
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: May 28, 2002
    Assignee: Higear Limited
    Inventor: Andy Sai-kong Lam