Granted Patent
Utility
US 5,505,964 · App. 08/321,284
Liquid contact lens
Inventor:
Nickolay Obraztsov
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Oct 11, 1994
Inventor
Nickolay Obraztsov
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.