Granted Patent
Utility
US 6,439,720 · App. 09/769,892
Method and apparatus for measuring optical aberrations of the human eye
Inventors:
J. Elon Graves, Malcolm J. Northcott
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Jan 25, 2001
Inventors
J. Elon Graves
Malcolm J. Northcott
Assignee (at issue)
Aoptics, 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.