Granted Patent
Utility
US 4,696,872 · App. 06/903,221
Process for producing a catalytic layer for a fuel cell electrode
Inventors:
Alain P. O. Blanchart, Christian J. E. C. Van Der Poorten
Patented Case
View Patent ↗
Granted: Sep 29, 1987
Filed: Sep 3, 1986
Inventors
Alain P. O. Blanchart
Christian J. E. C. Van Der Poorten
Assignee (at issue)
Electrochemische Energieconversie N.V. (Elenco N.V.)
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.