Granted Patent
Utility
US 6,773,841 · App. 10/132,058
Fuel cell having insulated coolant manifold
Inventors:
Pinkhas A. Rapaport, John Healy
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Apr 25, 2002
Inventors
Pinkhas A. Rapaport
John Healy
Assignee (at issue)
General Motors 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.