Granted Patent
Utility
US 4,645,811 · App. 06/595,580
Material used for optical devices
Inventors:
Joseph J. Falcetta, Wilhelm F. Kunzler
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Apr 2, 1984
Inventors
Joseph J. Falcetta
Wilhelm F. Kunzler
Assignee (at issue)
Oculus Contact Lens Company
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.