Patents by Inventor Ling Kwok Kuen

Ling Kwok Kuen 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).

  • Bead curtains
    Patent number: 3977458
    Abstract: A bead curtain comprises a plurality of strings of beads and a plurality of decorative shells each enclosing a selected one of the beads.
    Type: Grant
    Filed: April 24, 1975
    Date of Patent: August 31, 1976
    Assignee: Lee Loy Plastic Company
    Inventor: Ling Kwok Kuen