Granted Patent
Utility
US 6,651,503 · App. 10/144,622
Method of in-tube ultrasonic flaw detection
Inventors:
Alexandr J. Bazarov, Alexandr P. Desyatchikov, Nikolai A. Karasev, Sergei P. Kirichenko, Andrei M. Slepov, Anatoly V. Smirnov
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: May 13, 2002
Inventors
Alexandr J. Bazarov
Alexandr P. Desyatchikov
Nikolai A. Karasev
Sergei P. Kirichenko
Andrei M. Slepov
Anatoly V. Smirnov
Assignee (at issue)
NGKS International 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.