Patents by Inventor Cho Sze

Cho Sze 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: 5172904
    Abstract: A sheet stacking apparatus for stacking a wide variety of sheets including flimsy sheets has a rotatable disc that receives each sheet in a slot thereof and inverting the sheets. A transport belt is closely adjacent one surface area of the disc and has a portion thereof positioned at an acute angle with respect to a line tangent to the one surface of the disc so that the trail edge of all sheets being inverted by the disc contact the belt and are inverted.
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: December 22, 1992
    Assignee: Xerox Corporation
    Inventors: Cho Sze, Frederick A. Nichols, Richard F. Scarlata