Patents by Inventor Fred C. Laage

Fred C. Laage 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: 4237171
    Abstract: The specification discloses a method for packaging hot foods in a unique container having an inner layer of absorbent paperboard adhered to an outer layer of resinous foam insulating material. The inner paperboard layer has an absorbent porous surface and has sufficient thickness and rigidity to lend body to the container. The outer foam layer is sufficiently thick to insulate and prevent moisture leakage.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: December 2, 1980
    Assignee: Fred C. Laage
    Inventors: Fred C. Laage, Patrick A. Loftus