Granted Patent
Utility
US 4,848,340 · App. 07/154,859
Eyetracker and method of use
Inventors:
Josef F. Bille, Stuart I. Brown
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Feb 10, 1988
Inventors
Josef F. Bille
Stuart I. Brown
Assignee (at issue)
Intelligent Surgical Lasers
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.