Patents by Inventor Hajo Friesen

Hajo Friesen 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).

  • Publication number: 20140096486
    Abstract: A method for producing a packaging unit includes combining individual products into a product formation, providing a shrink-wrap film having a perforation area that is susceptible to contact-free activation, and using the shrink-wrap film, securing the individual products to each other.
    Type: Application
    Filed: June 25, 2013
    Publication date: April 10, 2014
    Inventors: Wolfgang Buchkremer, Gernot Keil, Franz Mader, Werner Oster, Hajo Friesen, Norbert Pastoors