Patents by Inventor Tony Harsono Tan

Tony Harsono Tan 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: 20070271696
    Abstract: The present invention is a simple convertible futon sofa-bed. In particular the convertible futon sofa-bed is comprised of a pair of armrest sub-assemblies, a front stretcher rail and a back stretcher rail connecting the pair of armrest assemblies, a seat-deck, a back-deck and a ratchet connecting means to convert the convertible futon sofa-bed from a sofa position to a bed position.
    Type: Application
    Filed: May 23, 2006
    Publication date: November 29, 2007
    Inventor: Tony Harsono Tan