Granted Patent
Utility
US 6,810,788 · App. 10/384,126
Beverage cartridge and filter assembly
Inventor:
Robert Hale
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Mar 7, 2003
Inventor
Robert Hale
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.