Patents by Inventor William Van Ryzin

William Van Ryzin 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 producing raised leg cuff for diapers including two folding boards
    Patent number: 5190606
    Abstract: A method and apparatus for producing raised leg cuffs for diapers in which an elastic band is oriented in a straight line direction so as to be adhesively encapsulated between the fold portions of a diaper web while the same is passing through a folding board.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: March 2, 1993
    Assignee: Paper Converting Machine Company
    Inventors: John R. Merkatoris, William Van Ryzin