Granted Patent
Utility
US 6,576,099 · App. 09/816,689
Oxygen reduced niobium oxides
Inventors:
Jonathon L. Kimmel, Ricky W. Kitchell
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Mar 23, 2001
Inventors
Jonathon L. Kimmel
Ricky W. Kitchell
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.