Patents by Inventor Chinchen Tseng

Chinchen Tseng 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: 20060263143
    Abstract: A multifunctional marking device comprises one or two types of markers and a fastener for facilitating closure of button-secure tags. In particular, the fastener comprises a recess provided at one end of the device or a cap of the markers. Preferably, the marking device comprises both a writing instrument such as a pen and a stylus with a metal point to meet a need for making different types of markings.
    Type: Application
    Filed: May 19, 2005
    Publication date: November 23, 2006
    Inventors: Chinchen Tseng, Kuo Tseng, Louis Tseng