Patents by Inventor C. L. Hsio

C. L. Hsio 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).

  • Patent number: 5100264
    Abstract: A garbage pail with electronic control for opening and closing its cover, characterized mainly in that, upon an induction of a sensor to the visible or invisible light it can control the opening and closing action of the cover of garbage pail automatically instead of manual operation in order to improve a fine living quality.
    Type: Grant
    Filed: April 19, 1990
    Date of Patent: March 31, 1992
    Inventors: Jack Chang, C. L. Hsio