Patents by Inventor F. Christian Schweitzer

F. Christian Schweitzer 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 pocket in-fold attachment
    Patent number: 5915874
    Abstract: A panel attached to a book on foldable extensions by which the panel can be positioned next to the book and at various heights within the book and maintain the same orientation at each position, has a slot configured to receive an object through the panel and an acute fold at each end of the slot transverse to the slot at the fold, blocking the end of the slot.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: June 29, 1999
    Assignee: Specialty Loose Leaf, Inc.
    Inventors: Robert B. Wilson, F. Christian Schweitzer