Granted Patent
Utility
US 5,433,745 · App. 08/135,875
Corneal implants and methods for producing same
Inventors:
Richard S. Graham, Crystal M. Cunanan, James E. Francese
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Oct 13, 1993
Inventors
Richard S. Graham
Crystal M. Cunanan
James E. Francese
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.