Patents by Inventor Michael H. von Widdern

Michael H. von Widdern 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).

  • 5-layered coextruded biaxially stretched tubular film having at least 3 polyamide layers
    Patent number: 5425974
    Abstract: This invention relates to a coextruded, biaxially stretched tubular film for durable and crease-free casings for processed meat products which are heat treated after the filling process.
    Type: Grant
    Filed: May 18, 1994
    Date of Patent: June 20, 1995
    Assignee: Wolff Walsrode Aktiengesellschaft
    Inventors: Michael H. von Widdern, Gunter Weber