Patents by Inventor Chiang-Ming Cheng

Chiang-Ming 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).

  • Picture plate using both transpiercing light and reflection light
    Patent number: 4995185
    Abstract: This invention relates to a picture plate to be used indoor or outdoor for advertisment, display and decoration purposes. The picutre plate comprises of a semitransparent white plate (1) fitted in between the two identical pictures (2) which are matched completely. The picture (2) is affixed to one surface of the semitransparent white plate (1) either by itself, or with a transparent plastic plate (3). A composite picture plate thus formed is capable of exhibiting a clear picture either with the aid of transpiercing light (T) or reflection light (R).
    Type: Grant
    Filed: March 2, 1989
    Date of Patent: February 26, 1991
    Inventor: Chiang-Ming Cheng