Granted Patent
Utility
US 4,445,986 · App. 06/404,688
Electrochemical cell having a separator-gas electrode combination
Inventors:
James A. McIntyre, Robert F. Phillips
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: Aug 3, 1982
Inventors
James A. McIntyre
Robert F. Phillips
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.