Granted Patent
Utility
US 4,209,696 · App. 06/014,948
Methods and apparatus for mass spectrometric analysis of constituents in liquids
Inventor:
Wade L. Fite
Patented Case
View Patent ↗
Granted: Jun 24, 1980
Filed: Feb 26, 1979
Inventor
Wade L. Fite
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.