Granted Patent
Utility
US 6,491,739 · App. 09/708,119
Air separation module using a fast start valve for fast warm up of a permeable membrane air separation module
Inventors:
Victor P. Crome, Alan J. Yoder
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Nov 8, 2000
Inventors
Victor P. Crome
Alan J. Yoder
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.