Granted Patent
Utility
US 4,776,694 · App. 06/932,957
Burner assembly for atomic absorption spectrometer
Inventors:
Klaus P. Rogasch, Rolf Tamm
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Nov 19, 1986
Inventors
Klaus P. Rogasch
Rolf Tamm
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.