Granted Patent
Utility
US 5,597,549 · App. 08/414,718
Stable microbubble suspensions as enhancement agents for ultrasound echography
Inventors:
Michel Schneider, Jean Brochot, Jerome Puginier, Feng Yan
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Mar 31, 1995
Inventors
Michel Schneider
Jean Brochot
Jerome Puginier
Feng Yan
Assignee (at issue)
Bracco International BV
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.