Granted Patent
Utility
US 5,722,313 · App. 08/690,212
Machine for making beverages such as espresso coffee with automatic ground coffee introduction and dregs expulsion
Inventor:
Arthur Schmed
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Jul 26, 1996
Inventor
Arthur Schmed
Assignee (at issue)
J. Lough Limited
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.