Granted Patent
Utility
US 6,071,494 · App. 09/143,304
Methods for diagnostic imaging using a contrast agent and a renal vasodilator
Inventor:
Evan C. Unger
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Aug 28, 1998
Inventor
Evan C. Unger
Assignee (at issue)
ImaRx Pharmaceutical Corp.
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.