Patents by Inventor Mary L. Landis

Mary L. Landis 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).

  • Patent number: 5158325
    Abstract: An adjustable size book jacket is disclosed including a first pouch section that is composed of an elastic material and has a first opening formed therein for receiving the front cover of a book and generally conforming to at least a portion of the periphery of the front cover. A second pouch section is composed of an elastic material and has a second opening formed therein for receiving the back cover of the book and generally conforming to at least a portion of the periphery of the back cover. A junction section interconnects the first and second pouch section and extends across the binding of the book when the front and back covers are received by the first and second pouch sections.
    Type: Grant
    Filed: May 22, 1990
    Date of Patent: October 27, 1992
    Inventors: Mary L. Landis, Louise Petro