Patents by Inventor Hsia-Yuen Chen

Hsia-Yuen Chen 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: 20090263623
    Abstract: The present invention relates to a substrate for scribbling. The substrate is a scribbling board. The substrate is made of a rigid and ductile metal material and is provided at least with a first and a second surface. The first surface is attached to a scribbling layer. The present invention has simple construction to replace the prior art complex scribbling substrate, thereby greatly saving manufacturing costs with better industrial benefits.
    Type: Application
    Filed: May 17, 2006
    Publication date: October 22, 2009
    Applicant: BEIJING ZBSD PATENT & TRADEMARK AGENT LTD.
    Inventor: Hsia-Yuen Chen