Patents by Inventor Jan Herman Koppijn

Jan Herman Koppijn 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).

  • Foamed formed confections
    Patent number: 3976803
    Abstract: Foamed formed confections prepared by using a mixture of two or more types of glucose syrup, particularly equal quantities of an enzymatic glucose syrup and a maltose syrup.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: August 24, 1976
    Inventor: Jan Herman Koppijn