Granted Patent
Utility
US 5,448,351 · App. 08/157,034
Echelle polychromator
Inventors:
Stefan Florek, Helmut Becker-Ross
Patented Case
View Patent ↗
Granted: Sep 5, 1995
Filed: May 16, 1994
Inventors
Stefan Florek
Helmut Becker-Ross
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.