Granted Patent
Utility
US 5,985,244 · App. 08/828,748
Polymers with a gas magnetic resonance imaging
Inventor:
Evan C. Unger
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Mar 26, 1997
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.