Patents by Inventor Tiyung Chen

Tiyung Chen 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).

  • Space-saving folding bed
    Patent number: 4048683
    Abstract: This invention relates to folding beds and aims at correcting certain shortcomings of all other folding beds. The invention contains the mechanism of a Space-saving Folding Bed the legs of which at both ends automatically unfold when the bed is unfolded for use, and also automatically fold onto the frame when the bed is folded up.
    Type: Grant
    Filed: December 2, 1974
    Date of Patent: September 20, 1977
    Inventor: Tiyung Chen