Granted Patent
Utility
US 5,308,378 · App. 08/023,034
Surface passification of a group IVB metal sponge regulus
Inventors:
Steven C. Evans, Dayle R. Flynn, R. James Adams
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: Feb 24, 1993
Inventors
Steven C. Evans
Dayle R. Flynn
R. James Adams
Assignee (at issue)
Westinghouse Electric Company LLC
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.