Granted Patent
Utility
US 5,611,344 · App. 08/611,248
Microencapsulated fluorinated gases for use as imaging agents
Inventors:
Howard Bernstein, Julie Straub, Henry T. Brush, Richard Wing
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: Mar 5, 1996
Inventors
Howard Bernstein
Julie Straub
Henry T. Brush
Richard Wing
Assignee (at issue)
Acusphere, Inc.
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.