Granted Patent
Utility
US 5,864,378 · App. 08/651,017
Enhanced monofocal IOL or contact lens
Inventor:
Valdemar Portney
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: May 21, 1996
Inventor
Valdemar Portney
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.