Granted Patent
Utility
US 6,238,724 · App. 09/420,933
Chocolate refining process
Inventors:
Federico de Loyola Carvallo, William Scott Hine, Andreas Valentin Helmreich
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Oct 19, 1999
Inventors
Federico de Loyola Carvallo
William Scott Hine
Andreas Valentin Helmreich
Assignee (at issue)
KRAFT FOODS HOLDINGS, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.