Granted Patent
Utility
US 6,820,740 · App. 10/463,927
Universal cap for dispensing materials by retrofit upon existing bottled beverage containers
Inventor:
Donald Spector
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jun 18, 2003
Inventor
Donald Spector
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.