Granted Patent
Utility
US 6,319,204 · App. 09/491,707
Ultrasonic method for indicating a rate of perfusion
Inventors:
George Brock-Fisher, McKee Dunn Poland
Patented Case
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Granted: Nov 20, 2001
Filed: Jan 26, 2000
Inventors
George Brock-Fisher
McKee Dunn Poland
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.