Patents by Inventor Wen Sen Cheng

Wen Sen 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: 5813738
    Abstract: A furniture device includes two or more plates and two or more panels and one or more boards each having a number of ribs for forming a number of openings. The plates each includes four corner blocks each having a number of helical fins for engaging with fasteners and for allowing the plates and the panels to be assembled together without being damaged. The plates each has a rear side portion having one or more grooves for engaging with the board and for allowing the boards to be secured between the plates without engaging with fasteners.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: September 29, 1998
    Inventor: Wen Sen Cheng