Granted Patent
Utility
US 5,995,221 · App. 08/884,417
Modified concentric spectrograph
Inventors:
Warren S. Slutter, Wu Jiang, Alain Thevenon, Viviane Millet, Jeremy J. Goldstone
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Jun 27, 1997
Inventors
Warren S. Slutter
Wu Jiang
Alain Thevenon
Viviane Millet
Jeremy J. Goldstone
Assignee (at issue)
Instruments SA, Inc.
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.