Granted Patent
Utility
US 4,710,197 · App. 06/316,920
Intraocular-external lens combination system and method of using same
Inventors:
Anthony Donn, Charles J. Koester
Patented Case
View Patent ↗
Granted: Dec 1, 1987
Filed: Oct 30, 1981
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.