Granted Patent
Utility
US 4,208,372 · App. 05/896,541
Apparatus for generating and transferring a gaseous test sample to an atomic absorption spectrometer
Inventor:
Bernhard Huber
Patented Case
View Patent ↗
Granted: Jun 17, 1980
Filed: Apr 14, 1978
Inventor
Bernhard Huber
Assignee (at issue)
Bodenseewerk Perkin-Elmer GmbH
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.