Granted Patent
Utility
US 5,955,151 · App. 08/772,007
Low friction cobalt based coatings for titanium alloys
Inventors:
Karel Hajmrle, Anthony Peter Chilkowich
Patented Case
View Patent ↗
Granted: Sep 21, 1999
Filed: Dec 19, 1996
Inventors
Karel Hajmrle
Anthony Peter Chilkowich
Assignee (at issue)
The Westaim 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.