Granted Patent
Utility
US 6,444,993 · App. 09/621,524
Apparatus for radiation analysis with a variable collimator
Inventor:
Vladimir Kogan
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Jul 21, 2000
Inventor
Vladimir Kogan
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.