Patents by Inventor Chi Ngan

Chi Ngan 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).

  • Publication number: 20050120599
    Abstract: A pocket chamber calendar and an assembly blank therefor which calendar is provided with a slit entering into said chamber for receiving a notice or the like so that a portion of the notice when positioned in the pocket chamber extends outwardly therefrom for ease in removal.
    Type: Application
    Filed: December 3, 2003
    Publication date: June 9, 2005
    Inventor: Chi Ngan