Granted Patent
Utility
US 6,645,374 · App. 10/370,527
Membrane module for gas transfer and membrane supported biofilm process
Inventors:
Pierre Cote, Steven Kristian Pedersen, Henry Behmann, Hidayat Husain, Deonarine Phagoo
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Feb 24, 2003
Inventors
Pierre Cote
Steven Kristian Pedersen
Henry Behmann
Hidayat Husain
Deonarine Phagoo
Assignee (at issue)
Zenon Environmental 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.