Granted Patent
Utility
US 4,543,303 · App. 06/396,570
Fuel cell battery with in cell oxidant-product liquid separators
Inventors:
Philip Dantowitz, Edward N. Balko, James F. McElroy
Patented Case
View Patent ↗
Granted: Sep 24, 1985
Filed: Jul 9, 1982
Inventors
Philip Dantowitz
Edward N. Balko
James F. McElroy
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.