Granted Patent
Utility
US 4,663,608 · App. 06/891,800
Pressure-biased, temperature sensor
Inventor:
Robert R. Kelly
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Aug 1, 1986
Inventor
Robert R. Kelly
Assignee (at issue)
BorgWarner 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.