Granted Patent
Utility
US 6,424,857 · App. 09/458,007
Use of acousto-optical and sonoluminescene contrast agents
Inventors:
Paul Mark Henrichs, Henry Wolfe
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Dec 10, 1999
Inventors
Paul Mark Henrichs
Henry Wolfe
Assignee (at issue)
Amersham Health AS
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.