Granted Patent
Utility
US 6,820,535 · App. 10/473,398
Espresso brewing device
Inventor:
Daniel Fischer
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Sep 30, 2003
Inventor
Daniel Fischer
Assignee (at issue)
NESTEC S.A.
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.