Granted Patent
Utility
US 6,159,458 · App. 08/963,815
Sustained release ophthalmic compositions containing water soluble medicaments
Inventors:
Lyle M. Bowman, James Pfeiffer
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Nov 4, 1997
Inventors
Lyle M. Bowman
James Pfeiffer
Assignee (at issue)
Insite Vision Incorporated
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.