Granted Patent
Utility
US 4,300,143 · App. 06/087,453
Thin protective overcoat layer for optical video disc
Inventors:
Alan E. Bell, Robert A. Bartolini, Allen Bloom, William J. Burke
Patented Case
View Patent ↗
Granted: Nov 10, 1981
Filed: Oct 22, 1979
Inventors
Alan E. Bell
Robert A. Bartolini
Allen Bloom
William J. Burke
Assignee (at issue)
RCA Corporation
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.