Granted Patent
Utility
US 6,475,652 · App. 09/740,590
Fine pore enthalpy exchange barrier for a fuel cell power plant
Inventors:
Albert P. Grasso, Kazuo Saito
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Dec 19, 2000
Inventors
Albert P. Grasso
Kazuo Saito
Assignee (at issue)
UTC Fuel Cells, LLC
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.