Granted Patent
Utility
US 6,716,320 · App. 09/550,693
Evaporation of liquids
Inventor:
Michael Christopher Cole
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Apr 17, 2000
Inventor
Michael Christopher Cole
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.