Patents by Inventor Doris E. Pitz

Doris E. Pitz 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).

  • Lactose-free synthetic ice cream
    Patent number: 4643906
    Abstract: A lactose-free synthetic ice cream product comprising from about 45% by weight of a liquid non-dairy emulsion containing vegetable fat, from about 25% of a stable foamed non-dairy emulsion including hydrogenated vegetable fat, approximately 15% by weight of sucrose, and approximately 15% by weight of raw eggs.
    Type: Grant
    Filed: September 27, 1985
    Date of Patent: February 17, 1987
    Inventor: Doris E. Pitz