Granted Patent
Utility
US 5,795,672 · App. 08/674,671
Diamond-like carbon based electrocatalytic coating for fuel cell electrodes
Inventor:
Geoffrey Dearnaley
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Jul 2, 1996
Inventor
Geoffrey Dearnaley
Assignee (at issue)
SOUTHWEST RESEARCH INSTITUTE
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.