Granted Patent
Utility
US 6,814,780 · App. 09/846,233
Hollow fiber membrane gas separation cartridge and gas purification assembly
Inventors:
Benjamin Bikson, Scott Andrew Bartholomew, Salvatore Giglia, Bradley Quinn Johnson
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: May 2, 2001
Inventors
Benjamin Bikson
Scott Andrew Bartholomew
Salvatore Giglia
Bradley Quinn Johnson
Assignee (at issue)
L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Étude et l'Exploitation des Procédés Georges Claude
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.