Granted Patent
Utility
US 6,468,941 · App. 09/690,511
Niobium containing zirconium-cerium based soild solutions
Inventors:
Anatoly Bortun, John G. Nunan
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Oct 17, 2000
Inventors
Anatoly Bortun
John G. Nunan
Assignee (at issue)
Delphi Technologies
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.