Granted Patent
Utility
US 6,799,504 · App. 10/363,631
Apparatus for preparing a coffee extract with a fine-bubble froth layer using a liquid flow decelerating barrier
Inventor:
Gustaaf Frans Brouwer
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Jun 25, 2003
Inventor
Gustaaf Frans Brouwer
Assignee (at issue)
Sara Lee/ DE N.V.
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.