Granted Patent
Utility
US 6,761,162 · App. 10/326,625
Personal disposable emergency breathing system with radial flow
Inventor:
Linsey J. Swann
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: Dec 23, 2002
Inventor
Linsey J. Swann
Assignee (at issue)
Brookdale International Systems, 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.