Granted Patent
Utility
US 5,331,073 · App. 07/973,470
Polymeric compositions and intraocular lenses made from same
Inventors:
Joseph I. Weinschenk, III, F. Richard Christ
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Nov 9, 1992
Inventors
Joseph I. Weinschenk, III
F. Richard Christ
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.