Patents by Inventor Weng I. Ng

Weng I. Ng 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).

  • Ring binder housing
    Patent number: 5393155
    Abstract: A plate for forming a housing member for a ring binder which is provided with at least one rib positioned longitudinally on the plate along each side thereof, wherein said ribs are provided along the substantial length of each side of the housing member plate.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: February 28, 1995
    Assignee: World Wide Stationery Mfg. Co., Ltd.
    Inventor: Weng I. Ng