Patents by Inventor Jeffrey D. Willius

Jeffrey D. Willius 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).

  • Method for hanging books and book-like items
    Patent number: 4898406
    Abstract: A hanger (10) slides into a book, gripping it securely with a spring tension and a receptacle bar (26) slanted so as to cause each book hung therefrom to slide by force of gravity to the bar's lowest point.
    Type: Grant
    Filed: May 13, 1988
    Date of Patent: February 6, 1990
    Inventor: Jeffrey D. Willius