Granted Patent
Utility
US 5,639,444 · App. 08/244,905
Method of electrical impedance imaging using a triiodophenyl compound or gas encapsulated microbubbles
Inventor:
Jo Klaveness
Patented Case
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Granted: Jun 17, 1997
Filed: May 4, 1995
Inventor
Jo Klaveness
Assignee (at issue)
NYCOMED IMAGING AS
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.