Granted Patent
Utility
US 5,755,940 · App. 08/591,650
Lithium ionic conducting glass thin film and carbon dioxide sensor comprising the glass thin film
Inventor:
Kiyotaka Shindo
Patented Case
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Granted: May 26, 1998
Filed: Feb 12, 1996
Inventor
Kiyotaka Shindo
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.