Granted Patent
Utility
US 5,209,578 · App. 07/640,365
Bearings having an overlay coating containing dispersed phase of a second material
Inventors:
David R. Eastham, Alan D. Pope
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Jan 30, 1991
Inventors
David R. Eastham
Alan D. Pope
Assignee (at issue)
T&N Technology Limited
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.