Granted Patent
Utility
US 4,574,071 · App. 06/678,380
Process for removing dissolved oxygen from water using hydrazine
Inventors:
Sunil G. Desilva, Charles W. Hearp
Patented Case
View Patent ↗
Granted: Mar 4, 1986
Filed: Dec 5, 1984
Inventors
Sunil G. Desilva
Charles W. Hearp
Assignee (at issue)
Westinghouse Electric Company LLC
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.