Granted Patent
Utility
US 6,497,150 · App. 10/102,002
Ultrasonic austenitic weld seam inspection method and apparatus
Inventor:
Ronald W. Kruzic
Patented Case
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Granted: Dec 24, 2002
Filed: Mar 20, 2002
Inventor
Ronald W. Kruzic
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.