Granted Patent
Utility
US 4,761,740 · App. 06/837,456
Combined color flow map and monochrome image
Inventor:
David Lipschutz
Patented Case
View Patent ↗
Granted: Aug 2, 1988
Filed: Mar 7, 1986
Inventor
David Lipschutz
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.