Granted Patent
Utility
US 4,264,408 · App. 06/048,211
Methods for applying phosphors particularly adapted for intagliated phosphor screens
Inventor:
James Benham
Patented Case
View Patent ↗
Granted: Apr 28, 1981
Filed: Jun 13, 1979
Inventor
James Benham
Assignee (at issue)
International Telephone and Telegraph 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.