Granted Patent
Utility
US 6,450,641 · App. 09/828,148
Method of corneal analysis using a checkered placido apparatus
Inventors:
Henry M. D'Souza, Edwin J. Sarver, Youssef Wakil
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Apr 9, 2001
Inventors
Henry M. D'Souza
Edwin J. Sarver
Youssef Wakil
Assignee (at issue)
LaserSight Technologies, Inc.
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.