Granted Patent
Utility
US 5,635,993 · App. 08/622,119
Apparatus and method for controlling white balance of a cathode ray tube projector
Inventor:
Tohru Kataoka
Patented Case
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Granted: Jun 3, 1997
Filed: Mar 26, 1996
Inventor
Tohru Kataoka
Assignee (at issue)
NEC 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.