Granted Patent
Utility
US 6,443,898 · App. 08/485,998
Therapeutic delivery systems
Inventors:
Evan C. Unger, Thomas A. Fritz, Terry Matsunaga, VaradaRajan Ramaswami, David Yellowhair, Guanli Wu
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Jun 7, 1995
Inventors
Evan C. Unger
Thomas A. Fritz
Terry Matsunaga
VaradaRajan Ramaswami
David Yellowhair
Guanli Wu
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.