Granted Patent
Utility
US 6,234,631 · App. 09/521,855
Combination advanced corneal topography/wave front aberration measurement
Inventors:
Edwin J. Sarver, David Liu
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Mar 9, 2000
Inventors
Edwin J. Sarver
David Liu
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.