Granted Patent
Utility
US 6,577,128 · App. 09/985,695
NQR method and apparatus for testing a sample by applying multiple excitation blocks with different delay times
Inventors:
John Alec Sydney Smith, James Barras, Neil Francis Peirson
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Nov 5, 2001
Inventors
John Alec Sydney Smith
James Barras
Neil Francis Peirson
Assignee (at issue)
BTG INTERNATIONAL INC.
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.