Granted Patent
Utility
US 5,605,741 · App. 08/459,072
Hybrid face coating for piston ring
Inventors:
Russell E. Hite, Ihor R. Maksymiak, Michael Albion Kestner
Patented Case
View Patent ↗
Granted: Feb 25, 1997
Filed: Jun 2, 1995
Inventors
Russell E. Hite
Ihor R. Maksymiak
Michael Albion Kestner
Assignee (at issue)
DANA 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.