Granted Patent
Utility
US 5,185,162 · App. 07/714,895
Corrosion and wear resistant bimetallic cylinder
Inventor:
Schiao F. Chou
Patented Case
View Patent ↗
Granted: Feb 9, 1993
Filed: Jun 17, 1991
Inventor
Schiao F. Chou
Assignee (at issue)
Xaloy, 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.