Granted Patent
Utility
US 4,950,944 · App. 07/241,958
Tensed shadow mask assembly
Inventor:
Takeo Fujimura
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Sep 8, 1988
Inventor
Takeo Fujimura
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.