Patents by Inventor Willa L. Mann

Willa L. Mann 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).

  • Multi chambered thermal container
    Patent number: 4098397
    Abstract: A multi chambered thermal container adapted to receive and maintain a plurality of liquids at various temperatures. The container comprises an outer casing formed from layers of aluminum, insulation, and plastic. Two semi annular chambers as well as a cylinder shaped chamber are contained within the container. A compartment is provided for the storage of drinking glasses.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: July 4, 1978
    Inventors: William Mann, Jr., Willa L. Mann