Patents by Inventor Yuh Y. Sher

Yuh Y. Sher 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).

  • Collapsible wheeled luggage with stiffener
    Patent number: 4589530
    Abstract: An improved luggage comprising a main body portion, a lid hingedly attached to one side of the main body portion, a zipper fastener provided on the main body portion and the lid, a supporting frame fastened on the inner sides of the main body portion, four casters mounted on the bottom of the main body portion, two fixing members engageable with the casters and a stiffening board capable of engaging with the casters, whereby when not in use the improved luggage may be reduced in volume thereby facilitating the storage and transportation of the luggage.
    Type: Grant
    Filed: June 26, 1985
    Date of Patent: May 20, 1986
    Inventor: Yuh Y. Sher