Patents by Inventor Ming D. Lee

Ming D. Lee 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).

  • Book cover hinge assembly
    Patent number: 5273319
    Abstract: A book cover hinge assembly is disclosed having two end connectors respectively fastened to two opposite open ends of an elongated casing to hold two opposite book covers, each end connector having two pins bilaterally disposed in the longitudinal direction and respectively inserted in pivot holes on the book covers, one end connector having a pen hole in line with a storage space defined within a channel plate inside the casing for inserting a pen.
    Type: Grant
    Filed: January 26, 1993
    Date of Patent: December 28, 1993
    Inventor: Ming D. Lee