Granted Patent
Utility
US 5,770,258 · App. 08/434,586
Cathode-ray tube and method of producing the same
Inventors:
Tomoki Takizawa, Hiroshi Okuda
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: May 4, 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.