Granted Patent
Utility
US 5,608,577 · App. 08/633,520
Optical mirror and optical device using the same
Inventor:
Akira Eda
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Apr 17, 1996
Inventor
Akira Eda
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
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.