Granted Patent
Utility
US 4,766,341 · App. 06/908,896
Color picture tube with shadow mask having alternately displaced apertures
Inventor:
Koji Nakamura
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Sep 18, 1986
Inventor
Koji Nakamura
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.