Granted Patent
Utility
US 4,623,264 · App. 06/727,911
Temperature sensing using ultrasonic system and movable target
Inventor:
Thomas O. Mitchell
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Apr 26, 1985
Inventor
Thomas O. Mitchell
Assignee (at issue)
Southland Corporation
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.