Granted Patent
Utility
US 6,497,755 · App. 10/152,463
Air flow control in a gas fractionalization system and associated method
Inventors:
Robert W. Murdoch, Valery Kravets, Scott Banks
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: May 21, 2002
Inventors
Robert W. Murdoch
Valery Kravets
Scott Banks
Assignee (at issue)
Respironics, 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.