Granted Patent
Utility
US 4,239,338 · App. 06/086,813
Silver halide optical information storage media
Inventors:
Nicholas Francis Borrelli, Peter L. Young
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Oct 22, 1979
Inventors
Nicholas Francis Borrelli
Peter L. Young
Assignee (at issue)
Corning Glass Works
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.