Granted Patent
Utility
US 4,867,167 · App. 07/213,407
Method and apparatus for determining and displaying the absolute value of quantitative backscatter
Inventor:
Paul A. Magnin
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Jun 30, 1988
Inventor
Paul A. Magnin
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.