Granted Patent
Utility
US 5,950,866 · App. 08/776,781
Method and apparatus for cooling and preparing a beverage
Inventor:
William G. Lancaster
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Apr 30, 1997
Inventor
William G. Lancaster
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.