Granted Patent
Utility
US 4,707,229 · App. 06/564,523
Method for evolution of oxygen with ternary electrocatalysts containing valve metals
Inventors:
Russell M. Dempsey, Anthony R. Fragala, Anthony B. LaConti, John F. Enos
Patented Case
View Patent ↗
Granted: Nov 17, 1987
Filed: Dec 22, 1983
Inventors
Russell M. Dempsey
Anthony R. Fragala
Anthony B. LaConti
John F. Enos
Assignee (at issue)
UNITED TECHNOLOGIES CORPORATION
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.