Patents by Inventor Chi Hao Duong

Chi Hao Duong 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).

  • Cleaning composite
    Publication number: 20060229229
    Abstract: A cleaning composite comprising a foam layer, such as melamine foam, and an element adapted to engage a user's hand, is disclosed. The hand-engaging element may be adjustable. A second layer, attached to at least a portion of the foam layer, may also be present. When a second layer is present, the hand-engaging element, in some embodiments, may be positioned in facing relation to a surface of the second layer or a surface of the foam layer.
    Type: Application
    Filed: April 11, 2005
    Publication date: October 12, 2006
    Inventors: Julie Bednarz, Fung-jou Chen, Jeffrey Lindsay, Susan Trefethren, Carl Rippl, Chi Hao Duong, Jonathan Arendt, James Walter