Patents by Inventor Yih-Chen Yang

Yih-Chen Yang 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).

  • Garbage can with a packaged and folded plastic bags supplier
    Patent number: 4349123
    Abstract: A garbage can with a packaged and folded plastic bags supplier, characterized in using a series of plastic bags which are packaged and folded in a box as a supplier for continuously supplying available plastic bags, relates to the structure of a garbage can and the special manner of sealing and folding the plastic bags as well.
    Type: Grant
    Filed: March 12, 1980
    Date of Patent: September 14, 1982
    Assignee: Chiang Keh-Yeu
    Inventor: Yih-Chen Yang