Patents by Inventor Duane S. Crowther

Duane S. Crowther 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).

  • Multiple book storage and carrying case
    Patent number: 4652034
    Abstract: The invention is an improved multiple book storage and carrying case. It comprises a case with spine and hingedly attached front and back bindings with page covers, having a center flap divider attached to the inside of the spine. The page cover ends have pockets covering them into which the covers of books to be held are inserted. The page cover flaps attached to edges of the front and back bindings have openable closure means associated with the edges of the page cover flaps to either selectively seal together the flaps for storage, or open said flaps to access the books stored within the case.
    Type: Grant
    Filed: March 6, 1986
    Date of Patent: March 24, 1987
    Assignee: Horizon Publishers & Distributors, Inc.
    Inventor: Duane S. Crowther