Granted Patent
Utility
US 5,116,112 · App. 07/688,909
Colored lens and method of manufacture
Inventor:
David Lionel Rawlings
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Apr 19, 1991
Inventor
David Lionel Rawlings
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.