Patents by Inventor Kenneth K. L. Lo

Kenneth K. L. Lo 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 binders
    Patent number: 5931506
    Abstract: A folder comprising an upper cover for a ring binder has a lip 13 which is arranged to fit into a normal ring binder press. The lip and a bundle of sheets can then be formed with slots to receive the ring binder in conventional manner. The lower cover 10 has a fold line 14 to allow it to remain free of the press and to wrap around the ring binder and cover the bundle of sheets. The folder itself has no holes in it and can be formed of virtually any material.
    Type: Grant
    Filed: October 1, 1996
    Date of Patent: August 3, 1999
    Assignee: The Coronet Paper Co. Ltd.
    Inventor: Kenneth K. L. Lo