Granted Patent
Utility
US 6,451,471 · App. 09/611,471
Conductivity fuel cell collector plate and method of fabrication
Inventor:
James Braun
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Jul 7, 2000
Inventor
James Braun
Assignee (at issue)
TELEDYNE ENERGY SYSTEMS, 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.