Granted Patent
Utility
US 6,737,183 · App. 09/958,589
Humidification device for polymeric membrane fuel cells
Inventors:
Gabriele Mazzucchelli, Massimo Brambilla, Gian Piero Fleba, Antonio Maggiore
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Oct 9, 2001
Inventors
Gabriele Mazzucchelli
Massimo Brambilla
Gian Piero Fleba
Antonio Maggiore
Assignee (at issue)
Nuvera Fuel Cells Europe SRL
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.