Granted Patent
Utility
US 4,315,269 · App. 05/828,815
Thick protective overcoat layer for optical video disc
Inventors:
Allen Bloom, Sidney S. Seffren, Alan E. Bell, Robert A. Bartolini
Patented Case
View Patent ↗
Granted: Feb 9, 1982
Filed: Aug 29, 1977
Inventors
Allen Bloom
Sidney S. Seffren
Alan E. Bell
Robert A. Bartolini
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.