Granted Patent
Utility
US 5,219,343 · App. 07/701,467
Apparatus for performing ophthalmogolical surgery
Inventor:
Francis A. L'Esperance, Jr.
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: May 15, 1991
Inventor
Francis A. L'Esperance, Jr.
Assignee (at issue)
VISX, Incorporated
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.