Granted Patent
Utility
US 6,462,934 · App. 09/758,705
Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
Inventors:
Jonathon L. Kimmel, Ricky W. Kitchell., James A. Fife
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Jan 11, 2001
Inventors
Jonathon L. Kimmel
Ricky W. Kitchell.
James A. Fife
Assignee (at issue)
Cabot 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.