Granted Patent
Utility
US 6,062,933 · App. 09/390,958
Cathode ray tube and manufacturing apparatus for the same
Inventors:
Shinji Kasukawa, Akihiko FUKUYAMA, Koji Takahashi
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Sep 3, 1999
Inventors
Shinji Kasukawa
Akihiko FUKUYAMA
Koji Takahashi
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.