Granted Patent
Utility
US 6,488,173 · App. 09/850,634
Beverage container lid having baffle arrangement for liquid cooling
Inventor:
Michael Milan
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: May 7, 2001
Inventor
Michael Milan
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.