Granted Patent
Utility
US 6,133,681 · App. 09/090,085
Color picture tube device having contoured panel and auxiliary coil for reducing apparent screen distortions
Inventors:
Koji Nakamura, Akira Inoue
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jun 4, 1998
Inventors
Koji Nakamura
Akira Inoue
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.