Granted Patent
Utility
US 5,634,458 · App. 08/176,768
Method for determining precorneal retention time of ophthalmic formulations
Inventors:
Abhay M. Joshi, David L. Meadows, Jerry Paugh
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Dec 30, 1993
Inventors
Abhay M. Joshi
David L. Meadows
Jerry Paugh
Assignee (at issue)
Allergan, 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.