Granted Patent
Utility
US 6,559,441 · App. 10/074,210
Ion separation instrument
Inventor:
David E. Clemmer
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Feb 12, 2002
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.