Granted Patent
Utility
US 6,719,019 · App. 10/183,442
Deployable oxygen charging system
Inventors:
Tuan Q. Cao, Steven D. Jinks
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Jun 28, 2002
Inventors
Tuan Q. Cao
Steven D. Jinks
Assignee (at issue)
Litton 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.