Granted Patent
Utility
US 5,229,933 · App. 07/442,050
2-D phased array ultrasound imaging system with distributed phasing
Inventor:
John D. Larson, III
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Nov 28, 1989
Inventor
John D. Larson, III
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.