Granted Patent
Utility
US 6,207,308 · App. 09/295,732
Water treatment system for a fuel cell assembly
Inventors:
Albert P. Grasso, Leslie L. Van Dine
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Apr 20, 1999
Inventors
Albert P. Grasso
Leslie L. Van Dine
Assignee (at issue)
International 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.