Granted Patent
Utility
US 5,698,258 · App. 08/449,820
Method of producing a cathode-ray tube including first and second transparent layers of high and low refractive indices formed on a face plate to thereby lower electromagnetic wave emission and reduce external light reflection
Inventors:
Tomoki Takizawa, Hiroshi Okuda
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: May 24, 1995
Inventors
Tomoki Takizawa
Hiroshi Okuda
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.