Granted Patent
Utility
US 6,491,721 · App. 09/761,070
Toric intraocular lens material
Inventors:
Charles Freeman, Mutlu Karakelle, Michael J. Simpson
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Jan 16, 2001
Inventors
Charles Freeman
Mutlu Karakelle
Michael J. Simpson
Assignee (at issue)
Alcon Manufacturing, Ltd.
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.