Granted Patent
Utility
US 4,650,346 · App. 06/613,318
Arrangement for ultrasonic temperature measurement using a resonant sensor
Inventor:
Stephen W. Tehon
Patented Case
View Patent ↗
Granted: Mar 17, 1987
Filed: May 23, 1984
Inventor
Stephen W. Tehon
Assignee (at issue)
General Electric Company
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.