Granted Patent
Utility
US 5,986,393 · App. 08/984,890
Cathode ray tube and method of manufacturing the same
Inventors:
Keiji Nagata, Masanori Morii, Toshio Ishii, Tadashi Muramoto
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Dec 4, 1997
Inventors
Keiji Nagata
Masanori Morii
Toshio Ishii
Tadashi Muramoto
Assignees (at issue)
Matsushita Electronics Corporation
MURAMOTO INDUSTRY CO., 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.