Granted Patent
Utility
US 4,652,854 · App. 06/728,735
Pressure-biased, temperature sensor
Inventor:
Robert R. Kelly
Patented Case
View Patent ↗
Granted: Mar 24, 1987
Filed: Apr 30, 1985
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.