Granted Patent
Utility
US 6,614,159 · App. 10/120,547
Electron gun for cathode ray tube
Inventor:
Tetsuo Funakura
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Apr 12, 2002
Inventor
Tetsuo Funakura
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.