Granted Patent
Utility
US 6,558,540 · App. 09/917,210
Exhaust gas collection system for supercritical fluid chromatography
Inventors:
Terry A. Berger, Kimber D. Fogelman, L. Thompson Staats, III, Mark Nickerson, Paul F. Bente, III
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Jul 30, 2001
Inventors
Terry A. Berger
Kimber D. Fogelman
L. Thompson Staats, III
Mark Nickerson
Paul F. Bente, III
Assignee (at issue)
Berger Instruments, 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.