Granted Patent
Utility
US 5,837,898 · App. 08/704,967
Electromagnetic acoustic transducer (EMAT) for ultrasonic inspection of liquids in containers
Inventor:
Daniel T. MacLauchlan
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Aug 29, 1996
Inventor
Daniel T. MacLauchlan
Assignee (at issue)
The Babcock & Wilcox 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.