Granted Patent
Utility
US 5,016,633 · App. 07/390,562
Artificial retina device
Inventor:
Alan Y. Chow
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Aug 8, 1989
Inventor
Alan Y. Chow
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.