Granted Patent
Utility
US 5,627,429 · App. 07/883,171
Color cathode ray tube having an intermediate layer between a face plate and a tricolor phosphor layer
Inventor:
Yasuo Iwasaki
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: May 15, 1992
Inventor
Yasuo Iwasaki
Assignee (at issue)
MITSUBISHI ELECTRIC 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.