Patents by Inventor Chen J. Cheng

Chen J. 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).

  • Patent number: 5056776
    Abstract: A chair and desk board assembly for a baby walker is provided in which the desk board has a front tray and a rear frame defining a chair hole. Horizontal holes are provided in a rear periphery of the tray and vertical holes are provided in the top surface of the rear frame. The chain has a substantially U-shaped member and an inner seat both made from a foam-like material, and studs are provided on a front surface of the chair for engagement with the horizontal holes. A mounting member having a curved wall conforming to the contour of the U-shaped member of the chair is provided and fits into the U-shaped member. Resilient tongues extend downward from the mounting member to engage the vertical holes of the desk board.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: October 15, 1991
    Assignee: Petrus Imports, Inc.
    Inventor: Chen J. Cheng