Granted Patent
Utility
US 4,484,822 · App. 06/326,274
Method and apparatus for determining boiling points of liquids
Inventor:
Robert D. Hancock
Patented Case
View Patent ↗
Granted: Nov 27, 1984
Filed: Dec 1, 1981
Inventor
Robert D. Hancock
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.