Granted Patent
Utility
US 6,740,887 · App. 09/889,186
Apparatus and methods for investigation of radioactive sources in a sample
Inventors:
Daniel Parvin, John Paul Ronaldson
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Oct 10, 2001
Inventors
Daniel Parvin
John Paul Ronaldson
Assignee (at issue)
British Nuclear Fuels PLC
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.