Granted Patent
Utility
US 5,046,496 · App. 07/343,234
Sensor assembly for measuring analytes in fluids
Inventors:
Ronald E. Betts, David W. Deetz
Patented Case
View Patent ↗
Granted: Sep 10, 1991
Filed: Apr 26, 1989
Inventors
Ronald E. Betts
David W. Deetz
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.