Granted Patent
Utility
US 4,049,452 · App. 05/570,618
Reverse-printing method for producing cathode-ray-tube-screen structure
Inventor:
Edith Mayaud Nekut
Patented Case
View Patent ↗
Granted: Sep 20, 1977
Filed: Apr 23, 1975
Inventor
Edith Mayaud Nekut
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.