Granted Patent
Utility
US 5,946,089 · App. 09/114,603
Plasma spectrometer with shutter assembly
Inventor:
Reuven Duer
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Jul 13, 1998
Inventor
Reuven Duer
Assignee (at issue)
Jordan Valley Applied Radiation Ltd.
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.