Granted Patent
Utility
US 6,497,818 · App. 09/772,515
Brewing funnel having a liquid shield
Inventor:
Arthur H. Bunn
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Jan 29, 2001
Inventor
Arthur H. Bunn
Assignee (at issue)
Bunn-O-Matic Corporation
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.