Granted Patent
Utility
US 6,740,140 · App. 09/947,366
Hollow fiber membrane system assembly with an internal reflux system
Inventors:
Salvatore Giglia, Bradley Quinn Johnson, Benjamin Bikson
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Sep 7, 2001
Inventors
Salvatore Giglia
Bradley Quinn Johnson
Benjamin Bikson
Assignee (at issue)
Praxair Technology, 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.