Patents by Inventor Wing Fred Lam

Wing Fred 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).

  • Spoon thermometer
    Patent number: D441669
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: May 8, 2001
    Assignee: ATM Limited
    Inventor: Wing Fred Lam