Granted Patent
Utility
US 6,787,254 · App. 09/801,916
Method and apparatus for humidification and temperature control of incoming fuel cell process gas
Inventors:
Joe Cargnelli, Ravi Gopal
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Mar 9, 2001
Inventors
Joe Cargnelli
Ravi Gopal
Assignee (at issue)
HYDROGENICS CORPORATION
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.