Granted Patent
Utility
US 6,644,471 · App. 10/155,461
Dispensing capsule for a liquid container
Inventor:
Michael R. Anderson
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: May 24, 2002
Inventor
Michael R. Anderson
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.