Patents by Inventor Ann C. Kritzinger

Ann C. Kritzinger 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 binding
    Patent number: 6402450
    Abstract: A method of binding books comprising the steps of holding in place a text hull (1) comprising the pages of two books (2, 3) the gutters (5, 19) of the two books being located on opposite edges of the text hull to one another, binding the opposite edges of the text hull adjacent the gutter of the pages; and dividing the text hull to separate the two books from one another.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: June 11, 2002
    Inventor: Ann C. Kritzinger