Granted Patent
Utility
US 5,074,875 · App. 07/432,852
Intraocular-external lens combination system and method of using same
Inventors:
Anthony Donn, Charles J. Koester
Patented Case
View Patent ↗
Granted: Dec 24, 1991
Filed: Nov 7, 1989
Inventors
Anthony Donn
Charles J. Koester
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.