Granted Patent
Utility
US 5,338,435 · App. 07/905,255
Integrated circuit hydrated sensor apparatus
Inventors:
Ronald E. Betts, Douglas R. Savage, Richard J. Koerner, Matthew J. Leader, Kee Van Sin, Jeffrey Graves, Marshall L. Sherman
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Jun 26, 1992
Inventors
Ronald E. Betts
Douglas R. Savage
Richard J. Koerner
Matthew J. Leader
Kee Van Sin
Jeffrey Graves
Marshall L. Sherman
Assignee (at issue)
PPG Industries, Inc.
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.