Granted Patent
Utility
US 5,481,157 · App. 08/221,517
Electron gun for cathode-ray tube
Inventor:
Chie Takahashi
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Apr 1, 1994
Inventor
Chie Takahashi
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.