Granted Patent
Utility
US 5,675,211 · App. 08/500,576
Color-picture tube having a supplementary electrode for obtaining a high resolution picture
Inventor:
Yasuyuki Ueda
Patented Case
View Patent ↗
Granted: Oct 7, 1997
Filed: Jul 11, 1995
Inventor
Yasuyuki Ueda
Assignee (at issue)
Matsushita Electronics 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.