Patents by Inventor Yann-Chiou Duh

Yann-Chiou Duh 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: 20070034725
    Abstract: Disclosed is a CD shredder, which includes a housing having an elongated insertion slot at the top, a pair of circular cutters arranged inside the housing for shredding a waste CD into pieces, a cover pivoted to the housing and turnable between a horizontal position and a vertical position to close/open the elongated insertion slot, torsional springs that support the cover in the open position, and a spring-supported retainer for locking the cover in the close position.
    Type: Application
    Filed: August 9, 2005
    Publication date: February 15, 2007
    Inventor: Yann-Chiou Duh