Granted Patent
Utility
US 4,373,401 · App. 06/146,530
Transducer structure and mounting arrangement for transducer structure for clamp-on ultrasonic flowmeters
Inventor:
Joseph Baumoel
Patented Case
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Granted: Feb 15, 1983
Filed: May 5, 1980
Inventor
Joseph Baumoel
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.