Granted Patent
Utility
US 6,050,331 · App. 08/626,015
Coolant plate assembly for a fuel cell stack
Inventors:
Richard D. Breault, Ronald G. Martin, Robert P. Roche, Glen W. Scheffler, Joseph John O'Brien
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Mar 22, 1996
Inventors
Richard D. Breault
Ronald G. Martin
Robert P. Roche
Glen W. Scheffler
Joseph John O'Brien
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.