Granted Patent
Utility
US 6,498,342 · App. 09/615,102
Ion separation instrument
Inventor:
David E. Clemmer
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Jul 13, 2000
Inventor
David E. Clemmer
Assignee (at issue)
Advanced Research & Technology Institute
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.