Granted Patent
Utility
US 6,581,592 · App. 09/598,584
Purge system for nitric oxide administration apparatus
Inventors:
Duncan P. Bathe, Frederick J. Montgomery
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jun 21, 2000
Inventors
Duncan P. Bathe
Frederick J. Montgomery
Assignee (at issue)
Datex-Ohmeda, 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.