Granted Patent
Utility
US 6,739,721 · App. 10/013,573
Method and apparatus for calibrating and certifying accuracy of a wavefront sensing device
Inventor:
Griffith E. Altmann
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Dec 11, 2001
Inventor
Griffith E. Altmann
Assignee (at issue)
BAUSCH & LOMB 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.