Granted Patent
Utility
US 6,238,433 · App. 09/166,328
Posterior/anterior chamber intraocular lenses and methods of implantation
Inventor:
Valdemar Portney
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Oct 5, 1998
Inventor
Valdemar Portney
Assignee (at issue)
ALLERGAN SALES, LLC
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.