Patents by Inventor Marjatta F. Kangas

Marjatta F. Kangas 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).

  • Apparatus for paper making and paper surface enhancement
    Patent number: 7217342
    Abstract: A process that can utilize current paper manufacturing facilities by adding consecutive spray apparatuses that can make and/or enhance the manufacture of a multitude of specific paper products on-line, or improve the properties of already formed paper products with consequent spraying steps on-line or off-line.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: May 15, 2007
    Inventors: Martti Y. O. Kangas, Marjatta F. Kangas