Granted Patent
Utility
US 6,405,596 · App. 09/688,304
Ultrasonic austenitic weld seam inspection method and apparatus
Inventor:
Ronald W. Kruzic
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Oct 13, 2000
Inventor
Ronald W. Kruzic
Assignee (at issue)
Chicago Bridge & Iron Co.
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.