Granted Patent
Utility
US 4,379,034 · App. 06/261,777
Start-up procedure for oxygen electrode
Inventor:
Douglas Rogers
Patented Case
View Patent ↗
Granted: Apr 5, 1983
Filed: May 8, 1981
Inventor
Douglas Rogers
Assignee (at issue)
Diamond Shamrock 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.