Granted Patent
Utility
US 6,605,136 · App. 10/192,360
Pressure swing adsorption process operation and optimization
Inventors:
David Ross Graham, Roger Dean Whitley, Robert L. Chiang, Edward Landis Weist, Jr., Timothy Christopher Golden, Matthew James LaBuda
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Jul 10, 2002
Inventors
David Ross Graham
Roger Dean Whitley
Robert L. Chiang
Edward Landis Weist, Jr.
Timothy Christopher Golden
Matthew James LaBuda
Assignee (at issue)
Air Products and Chemicals, 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.