Granted Patent
Utility
US 6,645,657 · App. 09/848,023
Sol-gel coated cathode side hardware for carbonate fuel cells
Inventors:
Chao-Wei Huang, Jian Li
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: May 3, 2001
Inventors
Chao-Wei Huang
Jian Li
Assignee (at issue)
FUELCELL ENERGY, 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.