Granted Patent
Utility
US 6,565,635 · App. 09/963,236
Layered manifold pressure swing adsorption device and method
Inventors:
Bowie G. Keefer, Matthew L. Babicki, Brian G. Sellars, Ian Parker, David G. Doman, Alain Carel, Surajit Roy
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Sep 25, 2001
Inventors
Bowie G. Keefer
Matthew L. Babicki
Brian G. Sellars
Ian Parker
David G. Doman
Alain Carel
Surajit Roy
Assignee (at issue)
QuestAir Technologies 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.