Patents by Inventor Horace E. Swain

Horace E. Swain 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).

  • Indexed sorting system
    Patent number: 4850126
    Abstract: A sorting system and leaf thereof for use im mailing and the like. The leaf is of a resilient plastic material of a generally rectangular shape and has a double hinge at one side to allow travel of the body of the leaf through approximately 180.degree.. The leaf is attached to a base at a spine adjacent the hinge. A plurality of leaves attached to the base forms the sorting system.
    Type: Grant
    Filed: April 15, 1987
    Date of Patent: July 25, 1989
    Assignee: Swains Enterprises Pty. Ltd.
    Inventor: Horace E. Swain