Granted Patent
Utility
US 4,838,679 · App. 06/706,619
Apparatus for, and method of, examining eyes
Inventor:
Josef F. Bille
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Feb 28, 1985
Inventor
Josef F. Bille
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.