Granted Patent
Utility
US 6,802,837 · App. 09/913,564
Device used for the photorefractive keratectomy of the eye using a centering method
Inventors:
Christof Donitzky, Joachim Löffler
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Aug 15, 2001
Inventors
Christof Donitzky
Joachim Löffler
Assignee (at issue)
Wavelight Laser Technologie AG
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.