Granted Patent
Utility
US 4,298,495 · App. 05/865,588
Processes for reducing the oxygen content of metal oxides
Inventors:
Robin James, James A. Spooner
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: Dec 29, 1977
Inventors
Robin James
James A. Spooner
Assignee (at issue)
United Kingdom Atomic Energy Authority
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.