Patents by Inventor Kurt J. Rosenfeld

Kurt J. Rosenfeld 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).

  • Patent number: 4902521
    Abstract: A two component pressure resistant pack having a fermentation mix therein is disclosed. The pack comprises an inner bag component and an outer bag component, the inner bag component having a sealed margin about the sides thereof and the margin being folded over.
    Type: Grant
    Filed: September 28, 1988
    Date of Patent: February 20, 1990
    Assignee: BKG Holdings Limited
    Inventor: Kurt J. Rosenfeld