Patents by Inventor Fritz Gunter Stoffregen

Fritz Gunter Stoffregen 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).

  • Blank for a container
    Patent number: 4079852
    Abstract: A blank for forming an open topped container having at least one double wall. The blank comprises an open topped single walled container having a number of side walls. The single wall container has integrally formed therewith at least one panel which is foldable into a position where it overlies one of the side walls of the container.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: March 21, 1978
    Assignee: Viscount Plastic Products Pty. Ltd.
    Inventor: Fritz Gunter Stoffregen