Granted Patent
Utility
US 4,556,913 · App. 06/570,329
Apparatus for preventing virtual images in projection television receivers
Inventors:
Bertram VanBreemen, William L. Wilson, Duane L. Roberts, Tom W. Branton
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Jan 13, 1984
Inventors
Bertram VanBreemen
William L. Wilson
Duane L. Roberts
Tom W. Branton
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.