Patents by Inventor Shu-yi Tu

Shu-yi Tu 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).

  • Roll paper dispensing and applications
    Publication number: 20040084469
    Abstract: This invention relates to a method and an apparatus of dispensing roll paper products, such as roll tissue and kitchen towel paper. More particular, it relates to an apparatus which can repeatedly releases, stops and allows users to rip off roll paper at any length with one-hand operation.
    Type: Application
    Filed: October 31, 2002
    Publication date: May 6, 2004
    Inventor: Shu-yi Tu