Granted Patent
Utility
US 6,375,931 · App. 09/291,277
Contrast agents
Inventors:
Jonny Østensen, Morten Eriksen, Sigmund Frigstad, Pal Rongved
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Apr 14, 1999
Inventors
Jonny Østensen
Morten Eriksen
Sigmund Frigstad
Pal Rongved
Assignee (at issue)
NYCOMED IMAGING 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.