Granted Patent
Utility
US 6,734,933 · App. 09/395,666
Reflection liquid crystal display capable of displaying pictures in improved color purity
Inventor:
Takahito Mafune
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Sep 14, 1999
Inventor
Takahito Mafune
Assignee (at issue)
ALPS ELECTRIC 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.