Granted Patent
Utility
US 6,203,538 · App. 08/940,202
Intrastromal corneal modification
Inventor:
Gholam A. Peyman
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Sep 29, 1997
Inventor
Gholam A. Peyman
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.