Patents by Inventor Barbara R. Sandheinrich

Barbara R. Sandheinrich 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).

  • Lunch box container with magnetic inserts
    Patent number: 5396999
    Abstract: A lunch box container including a bottom wall and a hingedly mounted top wall includes ferrous metallic floors directed into the bottom and top walls recessed relative to the bottom and top walls respectively to receive and secure ferromagnetic inserts to permit configurational changes to the lunch box structure to enhance continued use by individuals. A modification of the invention includes illumination frameworks arranged to direct illumination onto inserts within the frameworks.
    Type: Grant
    Filed: June 21, 1993
    Date of Patent: March 14, 1995
    Inventor: Barbara R. Sandheinrich