Patents by Inventor Olga Lewinger

Olga Lewinger 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).

  • Non-tobacco containing smoking product
    Patent number: 4201228
    Abstract: A process for preparing and the ingredients for preparing a non-tobacco smoking product is disclosed. The product consists essentially of a mixture comprising sugar beet leaves, white beet leaves, sugar cane leaves and the inner white part of the grapefruit peel.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: May 6, 1980
    Inventor: Olga Lewinger