Granted Patent
Utility
US 4,533,246 · App. 06/482,086
Photometer for measuring atomic fluorescence
Inventor:
Klaus Braun
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Apr 4, 1983
Inventor
Klaus Braun
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.