Granted Patent
Utility
US 6,217,895 · App. 09/273,548
Method for treating and/or preventing retinal diseases with sustained release corticosteroids
Inventors:
Hong Guo, Paul Ashton
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Mar 22, 1999
Inventors
Hong Guo
Paul Ashton
Assignee (at issue)
Control Delivery Systems, 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.