Granted Patent
Utility
US 6,469,842 · App. 09/615,949
Apparatus for patterning a phosphor screen, having a main lens with flat elements replaceable by sub-lenses
Inventors:
Hiroshi Teramoto, Nobuyuki Zumoto, Shigeru Nishimoto, Takayuki Hirano
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Jul 13, 2000
Inventors
Hiroshi Teramoto
Nobuyuki Zumoto
Shigeru Nishimoto
Takayuki Hirano
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.