Granted Patent
Utility
US 4,162,849 · App. 05/887,265
Selected element concentration for flameless atomic absorption spectroscopic measurements
Inventor:
Bernhard Huber
Patented Case
View Patent ↗
Granted: Jul 31, 1979
Filed: Mar 16, 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.