Granted Patent
Utility
US 5,814,989 · App. 08/162,002
Methods and apparatus for NQR testing
Inventors:
John Alec Sydney Smith, Julian D. Shaw, Martin Blanz
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: Mar 28, 1994
Inventors
John Alec Sydney Smith
Julian D. Shaw
Martin Blanz
Assignee (at issue)
British Technology Group Limited
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.