Patents by Inventor Huo-Ching Cheng

Huo-Ching Cheng 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).

  • Photo clamp joint
    Patent number: 4793725
    Abstract: The invention is a photo clamp joint which can display photographs in various flat or three-dimensional displays, the device is composed of two four leaf clover shaped pieces having crossed small semi-circular protrusions to clamp photos or other paper materials in series to form different shapes for the purpose of creating a display.
    Type: Grant
    Filed: April 22, 1987
    Date of Patent: December 27, 1988
    Inventor: Huo-Ching Cheng