Granted Patent
Utility
US 4,590,404 · App. 06/595,522
Cathode-ray tube having a faceplate with decreasing center-to-edge thickness
Inventor:
Ralph J. D'Amato
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Mar 30, 1984
Inventor
Ralph J. D'Amato
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.