Granted Patent
Utility
US 5,526,816 · App. 08/460,258
Ultrasonic spectral contrast imaging
Inventor:
Marcel Arditi
Patented Case
View Patent ↗
Granted: Jun 18, 1996
Filed: Jun 2, 1995
Inventor
Marcel Arditi
Assignee (at issue)
BRACCO RESEARCH S.A.
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.